
Twik
Second-Skin Open-Back T-Shirt
This is a second-skin open-back T-shirt by Twik by Simons, designed in Canada. It is a fitted, cropped short-sleeve top with a wide boat neckline and a deep scooped open back secured by thin tie cords at the nape. Made from stretchy, body-shaping double-layer microfibre, it offers a smooth, form-fitting silhouette.
- Material
- stretch microfibre
- Category
- Apparel & Accessories > Clothing > Shirts & Tops
Color
Size
Specifications
Fitted second-skin t-shirt with an open back, made from stretchy double-layer microfibre fabric.
Open back, stretch body-shaping double-layer microfibre, fitted style.
- Material
- stretch microfibre
- Gender
- female
- Age Group
- adult
- Condition
- new
- Category
- Apparel & Accessories > Clothing > Shirts & Tops
Additional Attributes
- open back design
- stretch microfibre fabric
- body-shaping double-layer construction
- fitted silhouette
- second-skin fit
- exclusive design from Canada
Product Insights
Twik's Second-Skin Open-Back T-Shirt ($25 CAD, in stock) uses double-layer microfibre to provide opaque shaping and retain its contour after stretching, preventing bagging. The open back vents heat but requires a backless or adhesive bra and fashion tape to avoid side gaping. Care involves air-drying and cold washing without fabric softener.
Verified claims
- Undergarment options
- Adhesive petals, silicone sticky bras, and convertible bras all work under this top.
- Care
- Must be air-dried and washed in cold water without fabric softener.
- Shape retention
- The fabric recovers its shape after stretching, maintaining a consistent contour.
- Fit
- Model wears small; double-layer microfibre recovers shape, preventing bagging.
- Wear comfort
- Open back vents heat; double-layer front prevents show-through.
- Undergarment compatibility
- Open back requires backless or adhesive bra; fashion tape can prevent side gaping.
- Double-layer placement
- Double-layer front and sides gives opaque shaping and retains form.
- Open back
- Open back improves airflow and requires backless bra or tape.
Product record
- Title
- Second-Skin Open-Back T-Shirt
- Brand
- Twik
- Price
- 25 CAD
- Availability
- In stock
Deep Research
How to care for the microfibre and maintain shape
- Even a low-heat dryer can exceed the 60°C threshold where polyester microfibre filaments soften and begin to fuse — a thermoplastic distortion that stiffens the fabric and erases the smooth, body-shaping hand that defines the second-skin look, not just shrinking it.
- Fabric softener deposits a coating that traps loose fiber ends together, accelerating pilling; because polyester microfibre has a tensile strength of roughly 400–600 MPa (about three times stronger than cotton), the resulting pills won't break off and instead permanently roughen the smooth second-skin face.
- Twisting or wringing wet microfibre stretches the elastic yarns beyond their intended extension, permanently relaxing the compressive shaping memory built into the double-layer front and sides — so the top loses its body-skimming grip and starts to gap.
- Washing in cold water (below 30°C) on a gentle cycle keeps dimensional change to less than 1% per wash, preserving the exact compression fit that makes the double-layer front feel like a second skin — hot water pushes the polyester toward its 60°C glass transition, where yarns begin to relax and the garment bags out permanently.
- Liquid detergent dissolves completely and avoids the abrasive scouring that powder granules cause as they break down during the cycle — reducing the number of loose fiber ends that get worked to the surface, which on microfibre eventually tangle into the permanent pills that synthetic fabrics are notorious for holding.
- Turning the top inside out before washing shifts the drum's mechanical friction to the inner layer, sparing the outer face from the micro-abrasion that eventually matures into visible pilling — crucial for a garment where the sleek second-skin exterior is the entire aesthetic point.
How the second-skin fit runs
- The completely open back eliminates the sweat-trapping rear panel of a typical fitted tee, increasing airflow and making the top more comfortable for summer wear or layering under a jacket without overheating.
- The product is photographed in a size small across multiple listings, providing a visual baseline for the fitted silhouette — buyers can use this reference to gauge how the top's stretch and openness may translate to their usual size.
- The double-layer microfibre construction substantially increases opacity over a single-layer fitted tee, meaning it can be worn over a dark bra or under a sheer layer without a visible colour shift — a practical feature for those who want a sleek base layer.
- The stretch microfibre fabric naturally recovers its shape after stretching, so the top maintains a consistent second-skin contour throughout the day without sagging or bagging, even with the open back's reduced structural reinforcement.
How the stretch microfibre double-layer performs
- Because the back is completely open, the T-shirt avoids the trapped heat common in fully-lined stretch tops — the design balances the shaping benefits of the double microfibre front with an airy, unrestricted feel at the back.
- Rather than relying on compressive panels or boning, the double microfiber layer uses stretch knit to create a light, moldable silhouette — it smooths the torso without restricting movement, functioning more as a polishing layer than a control garment.
Undergarment solutions for the open back
- For wearers with smaller busts or those whose primary need is modesty rather than lift, adhesive breast petals are the most minimal option — they hide under the tee's double-layer front while leaving the back completely bare, and they avoid any chance of a cup edge showing through the fitted fabric.
- For a reliable all-day hold, adhesive bras must be applied to clean, lotion-free skin, and sizing up is an expert tip that reduces edge tension and prevents peeling — a common fail point that can ruin the clean back look under a fitted top.
- Fashion tape applied along the side seams and near the armholes prevents the open back from gaping or shifting, especially when wearing an adhesive bra — a stylist-recommended trick that ensures the tee stays put as you move, preserving the clean silhouette.
- A seamless adhesive bra that sticks directly to the skin — priced at $35 and reusable up to 40 times — eliminates any back band, making it the surest solution for the entirely open back; its front-clasp design creates adjustable cleavage while the ultra-thin edges are invisible even under the tee's second-skin fit.
- A backless bra that fastens at the side with a hook-and-eye and offers optional transparent straps keeps the back entirely clear without relying on adhesive; its bonded, stitch-free construction and elastic-free underbust prevent lines or digging, which matters for the tee's close fit.
- A convertible bra with removable straps can have its back band repositioned to sit at the waist or lower ribcage, skipping the open area entirely — a practical non-adhesive alternative that provides underwire support while preserving the bare-back look, provided the tee's design covers the lowered band.
Image Analysis
2 images- 01

Product
Cropped fitted short-sleeve top in black with a wide boat neckline and smooth, slightly stretchy knit appearance; visible front view worn by a model with arms crossed.
- Silhouette and fitForm-fitting cropped torso that ends above the navel, closely following the model's contours across the chest and waist.
1 region
x 0.12 · y 0.34 · w 0.76 · h 0.34 (high) - NecklineWide boat or bateau neckline that sits near the collarbones and runs almost straight across the shoulder line.
1 region
x 0.18 · y 0.12 · w 0.64 · h 0.12 (high) - Sleeve styleShort sleeves with a slightly angled cut that end close to the upper arm, with narrow folded hems.
2 regions
x 0.12 · y 0.20 · w 0.28 · h 0.18 (high); x 0.60 · y 0.20 · w 0.28 · h 0.18 (high) - Fabric appearanceSmooth, finely knit fabric with a slight sheen and minimal visible texture, suggesting a stretchy second-skin type material.
1 region
x 0.22 · y 0.28 · w 0.56 · h 0.30 (high) - Hem and stitchingStraight bottom hem with visible single-line topstitching along the lower edge and along sleeve openings.
2 regions
x 0.18 · y 0.60 · w 0.64 · h 0.10 (high); x 0.60 · y 0.28 · w 0.28 · h 0.10 (high) - Logo or printNo visible logo, brand mark, or printed text on the visible front of the top.
- Accessory overlapSmall round metallic pendant on a thin cord necklace resting on the fabric at center chest, partially obscuring the neckline area.
1 region
x 0.43 · y 0.18 · w 0.14 · h 0.10 (high)
Other
Studio front-facing product shot on a plain white background showing a model from head to hips with arms crossed; soft, even lighting and minimal shadows.
- Model poseModel is facing forward with arms crossed over the torso, slightly cropped at the hips.
1 region
x 0.06 · y 0.10 · w 0.88 · h 0.80 (high) - Background and lightingPlain off-white background with soft, even studio lighting that produces minimal shadows and neutral color rendering.
- Framing and cropImage framed from just above the head down to the upper hips, centering the torso and neckline of the top.
- Visible garments and propsAthletic-style elastic waist pants with side stripes are visible below the top but are not described as the product; small metallic necklace is worn as an accessory.
2 regions
x 0.20 · y 0.78 · w 0.60 · h 0.14 (high); x 0.40 · y 0.14 · w 0.20 · h 0.12 (high)
Colors
jet black· top body#0E0D0E- Silhouette and fitForm-fitting cropped torso that ends above the navel, closely following the model's contours across the chest and waist.
- 02

Product
Fitted black short-sleeve top with a deep scooped open back and thin tie cords at the upper back; visible seams and smooth stretch fabric.
- Open back shapeDeep scooped open back exposing upper and mid back with a horizontal lower back band of the same fabric.
1 region
x 0.52 · y 0.18 · w 0.40 · h 0.56 (high) - Sleeve styleShort fitted sleeve with a narrow finished hem that sits close to the upper arm.
1 region
x 0.13 · y 0.28 · w 0.28 · h 0.18 (high) - Fabric appearanceSmooth, slightly lustrous stretch knit fabric with visible single-needle topstitching along seams and hems.
1 region
x 0.35 · y 0.32 · w 0.50 · h 0.50 (high) - Back tie cordsTwo thin round cords tied at the nape and hanging down the back, originating near the shoulder area.
1 region
x 0.65 · y 0.06 · w 0.30 · h 0.22 (high) - Cord endsSmall metallic aglets on the ends of the cords.
2 regions
x 0.82 · y 0.10 · w 0.03 · h 0.04 (high); x 0.77 · y 0.12 · w 0.03 · h 0.04 (high) - Side seam and panelingVertical side seam visible running down the side torso, suggesting multi-panel construction.
1 region
x 0.49 · y 0.38 · w 0.18 · h 0.44 (medium)
Other
Studio portrait showing model seated on a wooden chair against a plain light background; three-quarter rear view with soft even lighting and minor shadows.
- Shot compositionThree-quarter rear portrait framing the model from head to hips, centered slightly right of image center.
- Support propCurved wooden chair back visible under the model's left arm and against her torso.
1 region
x 0.08 · y 0.62 · w 0.40 · h 0.33 (high) - Lighting and shadowsSoft, even studio lighting with subtle shadowing on the left side of the model and under the arm.
- Model presenceFemale model wearing the product; head turned toward camera and left arm folded on chair.
1 region
x 0.12 · y 0.03 · w 0.76 · h 0.94 (high)
Colors
black· main fabric#15141Bsilver· cord aglets- Open back shapeDeep scooped open back exposing upper and mid back with a horizontal lower back band of the same fabric.
Documents & Data
Customer Reviews
2 total2 reviews · out of 5
Orange t-shirt
Great colour. The design didn’t work for me. Retuned.
Pas à ma taille medium trop petit
Joli
Q&A
1 answered- Is the double-layer construction throughout the entire top or just in specific areas like the front?
- The double-layer construction is primarily in the front and sides for shaping and support, as the back is completely open.