I.FIV5
Micro-Perforated-Back Tank
Men's sleeveless athletic tank with a rounded scoop neckline and racerback cut, featuring a light gray marbled front panel, contrasting black shoulder straps, and side panels. Made from silky, breathable stretch microfibre that wicks moisture and dries quickly; micro-perforated back enhances ventilation. Includes Polygiene odor-control technology and anti-chafing heat-sealed edging, suitable for workouts and athletic activities.
- Material
- Stretch microfibre
- Category
- Apparel & Accessories > Clothing > Activewear
Color
Size
Specifications
Silky, breathable stretch microfibre tank top with micro-perforated back for ventilation and odour-fighting technology.
Micro-perforated back, Polygiene odour elimination, anti-chafing heat-sealed edging, moisture-wicking fabric.
- Material
- Stretch microfibre
- Gender
- male
- Age Group
- adult
- Condition
- new
- Category
- Apparel & Accessories > Clothing > Activewear
Additional Attributes
- silky breathable stretch microfibre
- moisture-wicking and quick-drying
- micro-perforated back for maximum ventilation
- low armholes
- Polygiene odour elimination and antibacterial technology
- anti-chafing heat-sealed edging
Product Insights
The I.FIV5 Micro-Perforated-Back Tank ($50 CAD) delivers targeted upper-back ventilation with back-only micro-perforations that prevent wind chill while keeping the front solid, combined with low armholes and four-way stretch for unrestricted overhead movement, heat-sealed edges that eliminate chafing ridges, and moisture-wicking recycled polyester fabric with Polygiene odor control effective for 100+ washes—all at a price that undercuts comparable Nike/UA models with added anti-odor tech; the tradeoff is no UPF rating, making it best for indoor use or layering, and potential UV degradation with prolonged sun exposure.
- Armholes
Low armholes allow full overhead reach without bunching or chafing
Why this is supported
Design analysis of the tank's low armhole cut states that it drops fabric away from the underarm,
allowing full overhead reach and unrestricted lateral shoulder movement without bunching or chafing
Anti-chafing edging comfort and men's fit — low_armholes. This prevents the bunch-and-bind that causes chafing during overhead lifts and presses.
- Edging
Heat-sealed edges remove raised seam ridges that cause friction burns during repetitive motions
Why this is supported
The tank uses heat-sealed bonded edges at the neck and arm openings, which remove the raised seam ridge. As the anti-chafing design research explains,
eliminating the raised, abrasive ridge that can dig in during repetitive arm swings or torso twists
Anti-chafing edging comfort and men's fit — anti_chafing_heat_sealed_edging. Moreover, the smooth microfibre fabric paired with this edging creates a near-seamless feel; the research notes that it
glides against the skin, and when paired with the tank's heat-sealed anti-chafing edging, the result is a near-seamless feel that reduces irritation
Recycled fabric feel, wicking, and dry time — smooth_hand_and_comfort. Together, these features minimize friction during repetitive motions.
- Moisture wicking
Fabric wicks moisture to stay dry, reducing chafing from wet friction
Why this is supported
The tank's hydrophobic microfibre fabric actively wicks moisture, keeping the skin dry during exercise. As described in the material analysis, it accomplishes this by
reducing clamminess and the risk of chafing
Recycled fabric feel, wicking, and dry time — hydrophobic_moisture_transportby staying dry to the touch, which prevents the wet friction that causes chafing in long sessions.
- Ventilation design
Back-only micro-perforations target upper-back heat; solid front reduces wind chill.
Why this is supported
The micro-perforations are exclusively on the back panel, directing ventilation to the upper back—the primary heat zone during exercise—while the solid front panel preserves structural integrity and provides some wind protection.
The perforations are concentrated on the rear panel rather than the entire garment, which directs ventilation to the upper back—often the highest heat zone during running or cycling—while the solid front preserves structural integrity and offers some wind protection without sacrificing overall breathability.
Real-world breathability of micro-perforated back panel — back_only_micro_perforation- Breathability
Buyers report staying cool and dry during high-intensity workouts thanks to the micro-perforated back.
Why this is supported
The product’s moisture-wicking microfibre and back micro-perforations work together to enhance evaporative cooling:
Moisture-wicking microfibre and back micro-perforations work together to enhance evaporative cooling—the fabric transports sweat to the surface, and the perforations promote airflow that speeds evaporation, reducing the saturated weight and cling typical of non-perforated activewear during intense exercise.
Real-world breathability of micro-perforated back panel — wicking_perforation_synergyReviewer feedback confirms this effect:
Many reviewers find the combination of micro-perforations and moisture-wicking stretch microfibre keeps them cool and dry.
Does the micro-perforated back provide noticeably better breathability compared to standard mesh panels during high-intensity workouts?Compared to standard mesh panels, the micro-perforations provide better coverage, durability, and moisture management, using small precision holes that maintain fabric integrity.
using small precision holes to promote airflow while maintaining fabric integrity
Does the micro-perforated back provide noticeably better breathability compared to standard mesh panels during high-intensity workouts?- Odor control
Polygiene remains effective for 100+ washes.
Why this is supported
The manufacturer states that Polygiene technology is
Polygiene® technology is designed to last the lifetime of the garment, typically remaining effective for 100+ washes, as the odor-control treatment is bonded to the fabric fibers and won't wash out over normal use.
How many washes does the Polygiene® odor control remain effective?However, real-world testing indicates that the treatment works best when the garment is aired out between workouts, as
The Polygiene didn’t cope well with being damp and left in my hydration pack.
inkl.comThe moisture-wicking microfibre and micro-perforated back enhance effectiveness by transporting sweat away and promoting airflow, reducing the damp environment where odors develop.
- Certifications
Bluesign-approved and skin-safe.
Why this is supported
Polygiene holds Bluesign certification, meaning it meets environmental standards for textiles, as noted:
Polygiene is Bluesign-approved, which means it meets stringent requirements for textiles claiming to be environmentally friendly and sustainable.
gearjunkie.comFurther, independent testing confirms it does not irritate skin or disrupt the natural microbiome:
Testing has found that polygiene does not irritate the skin and also it does not interfere with bacteria naturally occurring on the skin.
advnture.com- Price vs features
At $50 CAD, matches entry-level Nike/UA but adds Polygiene odor control they gate at $55-70 CAD.
Why this is supported
Deep research comparing the I.FIV5 tank against Nike Dri-FIT and Under Armour Tech tanks shows that its regular $50 CAD price aligns with those entry-level tiers, but the inclusion of Polygiene odor control is a feature those brands reserve for $55-70 CAD items. At the sale price of $19.99 CAD, the tank undercuts basic cotton-blend training tops, delivering a premium feature set at an impulse-buy price.
- Performance
92% recycled polyester/8% spandex mesh: wicks sweat, dries fast, stretches freely, with ventilated back and anti-chafe edging.
Why this is supported
The fabric is a mesh of 92% recycled polyester from post-consumer plastic bottles and 8% spandex, providing moisture-wicking and quick-dry performance through its hydrophobic microfibre construction. The micro-perforated back panel targets the upper back for enhanced airflow, while the low armholes and four-way stretch with good recovery allow unrestricted overhead movement. The heat-sealed, stitchless edging around neck and armholes prevents friction during repetitive movements.
The material blend is
92% recycled polyester / 8% spandex blend shifts the material source from virgin petrochemicals to post-consumer waste
Recycled fabric feel, wicking, and dry time — 92_recycled_polyester_microfibre.
- UV protection
No UPF rating; use indoors or layer for sun protection.
Why this is supported
The stretch microfibre fabric offers no inherent UV protection (no UPF rating), so the tank is best used indoors or in low-UV conditions. For outdoor sessions in strong sun, layering with a UPF-rated shell is advisable—a tradeoff common at this price point.
- Chafing
Silky microfibre and heat-sealed edges reduce friction and chafing.
Why this is supported
The microfibre has a
smooth, glide-friendly hand that stays cool and slippery against the skin
Anti-chafing edging comfort and men's fit — silky_stretch_microfibre_face, while the heat-sealed edging reduces irritation by
eliminating the raised, abrasive ridge that can dig in
Anti-chafing edging comfort and men's fit — anti_chafing_heat_sealed_edging- Fabric feel
Smooth, glide-friendly fabric with anti-chafe edges reduces skin irritation.
Why this is supported
The recycled microfibre is described as having
a smooth, glide-friendly hand that stays cool and slippery against the skin
Anti-chafing edging comfort and men's fit — silky_stretch_microfibre_face, and instead of conventional stitched seams, the tank uses
a bonded heat-sealed edge instead of a conventional stitched seam, eliminating the raised, abrasive ridge that can dig in during repetitive arm swings or torso twists
Anti-chafing edging comfort and men's fit — anti_chafing_heat_sealed_edging. These features together reduce the risk of friction during repetitive movements.
- Mobility
Four-way stretch and low armholes prevent restriction during overhead moves.
Why this is supported
The 8% spandex content provides
four-way stretch with strong recovery — it stretches without bagging out, maintaining a sleek silhouette that doesn't ride up or restrict overhead movements
Recycled fabric feel, wicking, and dry time — four_way_stretch_recovery. The low armholes are cut to
drop the fabric away from the underarm and widen the chest opening, allowing full overhead reach and unrestricted lateral shoulder movement without bunching or chafing
Anti-chafing edging comfort and men's fit — low_armholes. Together, these features prevent restriction during overhead exercises.
- Moisture management
Hydrophobic fabric and back perforations speed sweat evaporation.
Why this is supported
The fabric's hydrophobic nature means sweat is
dispersed on contact and evaporates rapidly
Recycled fabric feel, wicking, and dry time — hydrophobic_moisture_transport, and it
air-dry in minutes rather than hours
Recycled fabric feel, wicking, and dry time — fast_drying. The back micro-perforations enhance this:
. They are
concentrated on the rear panel rather than the entire garment, which directs ventilation to the upper back
Real-world breathability of micro-perforated back panel — back_only_micro_perforation. Compared to standard mesh, micro-perforations provide
better coverage, durability, and moisture management during high-intensity workouts
Does the micro-perforated back provide noticeably better breathability compared to standard mesh panels during high-intensity workouts?.
- Materials
Recycled polyester from post-consumer bottles; Bluesign-approved Polygiene.
Why this is supported
The 92% recycled polyester is confirmed sourced from post-consumer plastic bottles.
Polygiene is Bluesign-approved, which means it meets stringent requirements for textiles claiming to be environmentally friendly and sustainable.
gearjunkie.comThis certifies the environmental claim.
- Durability
Anti-fray seams and stretch extend life; UV sensitivity may degrade fabric if exposed.
Why this is supported
The heat-sealed anti-chafing edging eliminates stitches that can fray, and the four-way stretch fabric recovers its shape.
However, the stretch microfibre lacks inherent UV protection; prolonged sun exposure can cause fading and material degradation.
- Affordability
$19.99 sale price includes recycled polyester and Polygiene.
Why this is supported
At the sale price of $19.99 CAD, this tank costs less than typical cotton-blend tanks while incorporating 92% recycled polyester and Bluesign-approved Polygiene treatment, as shown by market research.
- Fit and Comfort
Low armholes and four-way stretch provide full motion without chafing.
Why this is supported
The low-cut armholes provide unrestricted overhead and lateral movement during pull-ups and presses, and the 8% spandex delivers four-way stretch with strong recovery to prevent bagging. The anti-chafing heat-sealed edging eliminates abrasive seam ridges, and the smooth microfibre surface reduces friction against the skin.
- Value
Sale price $19.99 offers Polygiene and 92% recycled polyester value.
Why this is supported
At the sale price of 19.99 CAD, this tank undercuts basic cotton-blend training tanks from Nike and Under Armour, which typically cost $55–$70, while offering Polygiene odor control. The fabric is made from 92% recycled polyester, reducing reliance on virgin petrochemicals and contributing to a lower environmental footprint.
- Polygiene
Polygiene treatment does not irritate skin or disrupt natural bacteria.
Why this is supported
Polygiene treatment has been independently verified as safe for skin:
polygiene does not irritate the skin and also it does not interfere with bacteria naturally occurring on the skin
advnture.com.
- Skin irritation prevention
Smooth fabric, low armholes, and heat-sealed edging reduce chafing and moisture buildup.
Why this is supported
The heat-sealed edging is designed for comfort,
eliminating the raised, abrasive ridge that can dig in during repetitive arm swings
Anti-chafing edging comfort and men's fit — anti_chafing_heat_sealed_edging, and the microfibre
stays cool and slippery against the skin, reducing the grab-and-scrub friction that rougher cotton or textured mesh can cause over miles of movement
Anti-chafing edging comfort and men's fit — silky_stretch_microfibre_face. Additionally, low armholes
low-cut armholes drop the fabric away from the underarm and widen the chest opening, allowing full overhead reach and unrestricted lateral shoulder movement without bunching or chafing
Anti-chafing edging comfort and men's fit — low_armholes. For moisture management, the fabric
sweat is dispersed on contact and evaporates rapidly — unlike cotton, which absorbs and holds liquid, this fabric stays dry to the touch even mid-session, reducing clamminess and the risk of chafing
Recycled fabric feel, wicking, and dry time — hydrophobic_moisture_transportand
air-dry in minutes rather than hours
Recycled fabric feel, wicking, and dry time — fast_drying, minimizing prolonged moisture contact and skin irritation.
Image Analysis
3 images- 01
Product
Men's sleeveless athletic tank viewed from the front; light gray marble-patterned front panel with black shoulder straps and black side panels visible. Fabric appears smooth and slightly reflective with a regular hem at the waist.
- Front panel patternCentral front panel has an all-over irregular marble or watercolor texture in light gray and off-white tones; pattern covers the entire visible front torso area.
1 region
x 0.18 · y 0.13 · w 0.64 · h 0.57 (high) - Shoulder strapsWide black shoulder straps that extend from the neckline over the shoulders; straps contrast with the lighter front panel.
2 regions
x 0.28 · y 0.05 · w 0.16 · h 0.14 (high); x 0.56 · y 0.05 · w 0.16 · h 0.14 (high) - Side panelsNarrow vertical black side panels visible at both torso sides, running from under the arm toward the hem.
2 regions
x 0.12 · y 0.20 · w 0.10 · h 0.50 (medium); x 0.78 · y 0.20 · w 0.10 · h 0.50 (medium) - Neckline shapeRounded scoop neckline centered on the front panel.
1 region
x 0.34 · y 0.10 · w 0.32 · h 0.12 (high) - Hem detailStraight hem at the bottom of the tank with a subtle gather or slight roll where the fabric meets the waistband of the shorts.
1 region
x 0.22 · y 0.62 · w 0.56 · h 0.10 (high)
Other
Studio product shot on a plain light background showing a model wearing the tank; three-quarter frontal pose, even soft lighting with minimal shadows.
- Model poseMale model shown from mid-thigh to top of head in a slightly turned frontal pose with left arm bent behind the back and right arm relaxed at the side.
1 region
x 0.05 · y 0.00 · w 0.90 · h 1.00 (high) - BackgroundPlain light gray or off-white seamless background with no visible props.
- LightingSoft, even studio lighting producing gentle shadows primarily to the model's right side and minimal specular highlights on the fabric.
- Image cropFull upper body framed with slight additional space above the head and down to mid-thigh; entire tank is visible.
Colors
light marble gray· front panel#C1C1C6matte black· shoulder straps#151211matte black· side panels- Front panel patternCentral front panel has an all-over irregular marble or watercolor texture in light gray and off-white tones; pattern covers the entire visible front torso area.
- 02
Product
Front view of a sleeveless tank top with a rounded scoop neckline, wide open armholes and contrasting black shoulder straps; front surface shows a light gray marbled texture.
- Front body panelSingle-piece front panel with an all-over light gray marbled pattern that includes irregular lighter and darker gray splotches and brushlike texture across the visible area.
1 region
x 0.28 · y 0.32 · w 0.44 · h 0.56 (high) - Neckline shapeRounded scoop neckline that sits below the collarbone and shows a smooth hem at the neck edge.
1 region
x 0.40 · y 0.18 · w 0.32 · h 0.16 (high) - Armhole cutDeep, wide armholes extending well down the side chest, creating large open side panels that reveal the model's skin beneath.
2 regions
x 0.18 · y 0.30 · w 0.18 · h 0.32 (high); x 0.64 · y 0.32 · w 0.18 · h 0.28 (high) - Shoulder strapsContrasting black straps that are wider at the shoulder, appear ribbed or textured, and attach to the front panel without visible seams in this view.
2 regions
x 0.35 · y 0.14 · w 0.14 · h 0.12 (high); x 0.56 · y 0.14 · w 0.14 · h 0.12 (high) - Fabric appearanceFront fabric appears smooth with a slight sheen in places where highlights fall, following the marbled print pattern; no visible external closures or seams on the front panel.
1 region
x 0.30 · y 0.36 · w 0.40 · h 0.44 (medium)
Other
Studio portrait crop showing a model wearing the tank top from upper torso to waist against a plain light background with soft studio lighting.
- Model presenceMale model shown from upper chest to just below the waist with hands on hips; head and shoulders visible but not part of the product description.
1 region
x 0.05 · y 0.02 · w 0.90 · h 0.96 (high) - Background and lightingEven, neutral light gray studio background with soft diffuse lighting and minimal shadows.
- Image crop and framingTightly framed vertical crop focused on the front torso and upper arms; lower hem of tank is visible near the bottom edge of the frame.
Colors
light marbled gray· front body panel#C1C1C6black· shoulder straps#44251A- Front body panelSingle-piece front panel with an all-over light gray marbled pattern that includes irregular lighter and darker gray splotches and brushlike texture across the visible area.
- 03
Product
Rear view of a sleeveless athletic tank worn by a model; black central back panel with a contrasting light patterned side panel, racerback armhole cut, and visible fine textured knit on the black fabric.
- Back panelSingle-piece black back panel covering the spine area from upper shoulders to the hem; fabric shows a fine grid-like textured knit visible on close inspection.
1 region
x 0.34 · y 0.12 · w 0.38 · h 0.76 (high) - Racerback armholeDeep curved armholes creating a racerback silhouette with wide shoulder straps that narrow toward the neck.
1 region
x 0.28 · y 0.12 · w 0.52 · h 0.36 (high) - Contrasting side panelLight-colored vertical side panel on the model's left side (viewer right) with a marbled or abstract tonal pattern contrasting the solid black back panel.
1 region
x 0.21 · y 0.38 · w 0.16 · h 0.42 (high) - Hem finishStraight hem at the bottom of the tank that sits over the top of the shorts, with no visible ribbing or prominent stitching line.
1 region
x 0.34 · y 0.74 · w 0.38 · h 0.10 (medium)
Other
Studio rear-three-quarter shot of a standing male model against a plain white background with soft even lighting and minimal shadow.
- Model posture and framingMale model shown from the rear in a three-quarter turn toward the viewer's left, arms relaxed at sides; image crops near mid-thigh.
1 region
x 0.08 · y 0.04 · w 0.84 · h 0.92 (high) - BackgroundPlain uniform white background with no props or visible environment.
- Lighting and shadowsSoft, even studio lighting from the front/side producing minimal soft shadow along the model's left arm and slight shadow cast on the background to the model's left.
- Other clothing visiblePair of black athletic shorts visible from the waist to mid-thigh, worn under the tank.
1 region
x 0.30 · y 0.76 · w 0.40 · h 0.20 (high)
Colors
matte black· back panel#0D0D0Emarbled light grey· side panel- Back panelSingle-piece black back panel covering the spine area from upper shoulders to the hem; fabric shows a fine grid-like textured knit visible on close inspection.