
Pump!
3" Nightlight Trunk Nylon
Men's trunk-style briefs with a 3-inch inseam, made from stretch nylon micro-mesh with a cotton-lined front cup and functional fly. Designed in Canada, the elastic waistband features a printed PUMP! logo, and the garment includes a contrasting front panel, white piping, and black side panels. Primary use is as everyday underwear.
- Category
- Apparel & Accessories > Clothing > Underwear & Socks > Underwear
Color
Specifications
- Material
- 64% nylon, 19% cotton, 17% elastane
- Gender
- male
- Age Group
- adult
- Condition
- new
- Category
- Apparel & Accessories > Clothing > Underwear & Socks > Underwear
Product Insights
The 3" Nightlight Trunk Nylon by Pump! offers a moisture-wicking cotton-lined mesh cup to reduce irritation and mesh side panels for airflow, but requires machine washing cold and hang drying (or low heat) to preserve its breathability, fit, and stretch.
Verified claims
- Cotton-lined cup
- Cotton-lined cup wicks moisture and reduces irritation risk.
- Breathability
- Stretch nylon micro-mesh allows airflow and is highly breathable in hot and humid conditions, and the cotton-lined cup wicks moisture.
- Wash and dry
- Machine wash cold with like colors; hang dry or low heat to preserve fit and stretch.
- Cotton lining
- Cotton lining inside the mesh cup wicks moisture from the skin.
- Fit and pouch sizing
- Fit runs true to size for most reviewers, but the pouch can feel small; one buyer recommends sizing up for comfort.
- Stretch
- The fabric contains elastane and nylon fibers that give it stretch.
Product record
- Title
- 3" Nightlight Trunk Nylon
- Brand
- Pump!
- Price
- 45 CAD
- Availability
- In stock
Buying Guide
1 comparison · 8 sourcesUses
All-day everyday comfort per reviewers
Reviewers praise this trunk as very comfortable for all-day wear, citing reliable support from the fabric and design and no need for readjustment over long hours. Several reviewers note the pouch runs smaller than other Pump! underwear and advise ordering a size up for the best fit. One reviewer also found the bold color palette may clash with pants that show color, making it less suited to subtle wardrobes.[1]
Support during workouts and sports
Reviewers highlight this trunk's support for sports and gym sessions, saying it keeps everything in place during movement. This comes from limited reviewer feedback, so individual experiences may vary.[1]
Product comparison
Compared within this brand.
| 3" Nightlight Trunk Nylon: Choose this if you want a bold, eye-catching trunk for all-day wear or gym sessions: reviewers praise its comfort and support, and it's made of stretch nylon micro-mesh (64% nylon, 19% cotton, 17% elastane) with a cotton-lined cup, fly, and 3-inch inseam. Note the pouch runs small — reviewers say ordering a size up typically fixes tightness — and the limited, bold color palette may not suit those wanting neutral or versatile colors.[1] | 3" Touchdown Ninja Trunk Nylon: Choose this if you want a low-rise, 3-inch inseam trunk in a dark black-on-black look that the brand positions as a sexy style for nighttime antics. It pairs a stretch nylon-blend microfibre body (66% nylon, 20% elastane, 14% cotton) with a contoured front pouch, a cotton-lined cup, a front opening, and a wide 45 mm elastic waistband with bold PUMP! wordmark, plus striped leg bands over ribbed cuffs. Note that the perforated or mesh-like texture of the side and rear panels is based on product photos, so shoppers sensitive to that appearance should weigh it accordingly.[2,3,4,5] | 3" Comfort Brown Trunk Cotton: Choose this if you want a short, low-rise trunk with a 3-inch inseam in stretch cotton jersey (92% cotton, 8% spandex), double layered at the front with an elastic waistband. It comes in brown with a darker contrasting waistband carrying the brand's orange logo, and the merchant describes it as very comfortable. Sizing runs from small to x-large, and the photographed fit is shown in medium.[6,7,8] |
Image Analysis
3 images- 01

Product
Male model wearing a pair of trunk-style briefs; visible features include a wide elastic waistband with printed logo, a contrasting front pouch panel, and white piping and leg trim.
- Waistband logo“Wide elastic waistband in dark color with a bold orange printed word PUMP! centered on the front waistband”
1 region
x 0.34 · y 0.36 · w 0.32 · h 0.07 (high) - Front pouch panelProminent front pouch in bright orange fabric with a vertical stitch line and framed by white piping
1 region
x 0.39 · y 0.41 · w 0.15 · h 0.17 (high) - Main brief bodyMain brief fabric surrounding the pouch is very dark, appearing black, with white curved trim panels on each side of the pouch
1 region
x 0.31 · y 0.40 · w 0.38 · h 0.21 (high) - Leg openings trimLeg openings have white binding or piping that contrasts with the dark brief fabric
1 region
x 0.30 · y 0.52 · w 0.40 · h 0.10 (high) - Waistband stripeThin orange stripe runs along the top edge of the dark waistband above the logo
1 region
x 0.34 · y 0.35 · w 0.32 · h 0.02 (medium)
Other
Lifestyle studio shot showing a seated male model in an industrial room with a drum kit, white brick wall, concrete floor, and soft directional lighting producing mild shadows.
- Model poseMale model seated on a drum, leaning forward with hands resting on thighs; torso and legs visible, head tilted downward
1 region
x 0.18 · y 0.05 · w 0.64 · h 0.78 (high) - Drum set propPartial black drum kit visible behind and beneath the model, including a bass drum with reflective drumhead and chrome hardware
1 region
x 0.03 · y 0.40 · w 0.40 · h 0.42 (high) - Background wallWhite painted brick wall with an electrical outlet and exposed cord on the right side of the image
1 region
x 0.46 · y 0.08 · w 0.48 · h 0.34 (high) - Floor surfaceTextured concrete floor with visible scuffs and subtle shadowing from the model and props
1 region
x 0.08 · y 0.68 · w 0.84 · h 0.30 (high) - Lighting and shadowSoft directional lighting from the left creates gentle highlights on the model's skin and mild cast shadows on the floor to the right
Colors
black with orange logo· waistband#3C241Cbright orange· front pouch#E1A34Bwhite· piping and leg trim- Waistband logo“Wide elastic waistband in dark color with a bold orange printed word PUMP! centered on the front waistband”
- 02

Product
Front view of a male model wearing low-rise boxer briefs with a wide branded waistband, contrasting center panel and white piped trim; visible fabric texture, pouch seam and leg bands.
- Overall garment shapeLow-rise boxer brief silhouette fitted to the body, with a defined front pouch and short leg length ending high on the upper thigh.
1 region
x 0.12 · y 0.46 · w 0.76 · h 0.36 (high) - WaistbandWide elastic waistband with knitted texture and contrasting logo text across the front.
1 region
x 0.12 · y 0.42 · w 0.76 · h 0.07 (high) - Waistband text“PUMP!”
1 region
x 0.27 · y 0.42 · w 0.46 · h 0.07 (high) - Center front panelContrasting vertical center panel in a bright orange color with visible vertical seam down the middle of the pouch.
1 region
x 0.40 · y 0.49 · w 0.20 · h 0.22 (high) - Contrast pipingWhite narrow piping outlines the pouch and leg openings, forming a U-shaped trim around the pouch.
1 region
x 0.33 · y 0.48 · w 0.34 · h 0.26 (high) - Side panelsBlack side panels with a subtle perforated or textured appearance on the right side visible in the image.
2 regions
x 0.12 · y 0.49 · w 0.26 · h 0.25 (medium); x 0.60 · y 0.49 · w 0.28 · h 0.26 (high) - Leg bandsBlack leg bands edged with white trim around the thigh openings.
1 region
x 0.12 · y 0.69 · w 0.76 · h 0.10 (high) - Fabric textureSmooth, slightly shiny knit fabric on orange panel and a finer textured or perforated knit on black panels.
Other
Studio lifestyle shot showing a cropped male model against a white painted brick wall; warm directional lighting from upper left produces soft shadows; image crops off head above the mouth and shows torso and upper thighs.
- Model framingCropped male torso and upper legs; head partially visible but cut off above the mouth; left arm hangs by side and right hand rests on waistband.
1 region
x 0.06 · y 0.00 · w 0.88 · h 0.78 (high) - BackgroundWhite painted brick wall filling the frame behind the model.
2 regions
x 0.00 · y 0.00 · w 0.40 · h 1.00 (high); x 0.40 · y 0.00 · w 0.60 · h 1.00 (high) - NecklaceThin gold chain necklace with a small round pendant resting at the upper chest.
1 region
x 0.40 · y 0.08 · w 0.20 · h 0.12 (high) - Lighting and shadowWarm directional lighting from upper left creates highlights on the model's chest and abs and soft shadowing on the right side of the body.
Colors
matte black· waistband and side panels#16161Bbright orange· center front panel#B1551Dclean white· piping and leg trim- Overall garment shapeLow-rise boxer brief silhouette fitted to the body, with a defined front pouch and short leg length ending high on the upper thigh.
- 03

Product
Front view of a pair of men's trunk-style briefs: black perforated mesh side panels, bright orange central pouch panel with white piping, and a wide black elastic waistband with orange 'PUMP!' text.
- WaistbandWide elastic waistband in black with stitched orange outline lines near the top and bottom and a large orange wordmark centered across the front reading PUMP! in block letters.
1 region
x 0.16 · y 0.20 · w 0.68 · h 0.12 (high) - Waistband text“PUMP!”
1 region
x 0.30 · y 0.21 · w 0.40 · h 0.10 (high) - Central pouch panelVertical bright orange front pouch panel made from a textured mesh fabric, centered on the front and bordered by white trim.
1 region
x 0.40 · y 0.33 · w 0.20 · h 0.38 (high) - Piping and trimWhite narrow piping runs around the pouch opening and horizontal white stripe trim encircles each leg opening above a thin black band.
2 regions
x 0.33 · y 0.46 · w 0.34 · h 0.28 (high); x 0.16 · y 0.68 · w 0.68 · h 0.10 (high) - Side panelsBlack side panels with a perforated mesh texture extending from the waistband down to the leg openings on both left and right.
2 regions
x 0.05 · y 0.32 · w 0.36 · h 0.42 (high); x 0.59 · y 0.32 · w 0.36 · h 0.42 (high) - Stitching detailVisible vertical seam running down the center of the orange pouch and contrasting stitched panel joins where orange meets black and white trim.
1 region
x 0.47 · y 0.34 · w 0.06 · h 0.34 (high)
Other
Cropped studio front-facing shot of a model from lower torso to mid-thigh against a neutral light-gray background, even soft lighting with minimal shadows.
- Shot compositionCentered frontal crop showing the model's torso and upper legs; product occupies the horizontal center of the frame.
1 region
x 0.00 · y 0.00 · w 1.00 · h 1.00 (high) - BackgroundPlain light-gray background with no visible props or packaging.
- Model presenceMale model shown from just below the chest to mid-thigh; hands partially visible at left and right edges.
1 region
x 0.00 · y 0.00 · w 1.00 · h 1.00 (high) - Lighting and shadowEven diffuse studio lighting with soft shadows under the waistband and leg openings; minimal specular highlights on fabric texture.
Colors
black· waistband and side panels#120D0Dbright orange· central pouch panel#FB6C03white· piping and leg stripeorange stitch· waistband lettering and stripes#C28D74- WaistbandWide elastic waistband in black with stitched orange outline lines near the top and bottom and a large orange wordmark centered across the front reading PUMP! in block letters.
Variants
4 SKUs| SKU | Title | Price | Avail |
|---|---|---|---|
| 3070479 | 3" Nightlight Trunk Nylon - Patterned Black - Small | CA$45.00 | Yes |
| 3070480 | 3" Nightlight Trunk Nylon - Patterned Black - Medium | CA$45.00 | Yes |
| 3070481 | 3" Nightlight Trunk Nylon - Patterned Black - Large | CA$45.00 | Yes |
| 3070482 | 3" Nightlight Trunk Nylon - Patterned Black - X-Large | CA$45.00 | Yes |
Documents & Data
Customer Reviews
14 total14 reviews · out of 5
The pouch is too small
The pouch seems extremely smaller than other pump Underwear.
Le meilleur
Incroyable
Great fit
Great fit
Great fit
Great fit
Jump
Meilleur boxer qualité prix c’est fou
Meilleur sous vêtements
Jamais déçu
Grandeur juste
Grandeur juste
J'aime bien
J'aime bien
Très confortable! Excellent support
Très confortable! Excellent support
Awful colour
Great underwear but the colour palette is only good for wearing on October 31st!
Super
Excellent
Confort absolu
Grandeur parfaite, grand conford
Beau et confortable
Super look et très confortable
Très confortable
Je recommande d'acheter une taille plus grande que normalement pour votre confort. C'est ce que j'ai fait.