Pump!
3" Check Illusion Trunk Cotton
Pump!'s 3" Check Illusion Trunk Cotton is men's trunk-style underwear with a low-rise fit, 3-inch inseam, elastic waistband, and front opening. It is crafted from a stretch cotton jersey (92% cotton, 8% spandex) and features an optical-illusion check pattern with cyan and pink/red offset lines, as well as a contoured front pouch. Designed in Canada, it requires machine washing in cold water and should not be bleached, tumble dried, ironed, or professionally cleaned.
- Material
- stretch cotton jersey
- Gender
- male
- Style
- casual, classic
- Category
- Apparel & Accessories > Clothing > Underwear & Socks > Underwear
Size
Specifications
Stretch cotton trunk with check illusion pattern and elastic waistband.
Stretch cotton jersey, elastic waistband, front opening, 3-inch inseam.
- Material
- stretch cotton jersey
- Style
- casual, classic
- Occasion
- everyday, loungewear
- Gender
- male
- Age Group
- adult
- Condition
- new
- Category
- Apparel & Accessories > Clothing > Underwear & Socks > Underwear
Additional Attributes
- stretch cotton jersey fabric
- elastic waistband
- opening at the front
- 3-inch inseam
- check illusion pattern
- designed in Canada
Product Insights
Pump!'s 3" Check Illusion Trunk Cotton is a designer men's underwear trunk founded in Montreal in 2010, available in stock. It features a functional front fly and a check pattern that creates a real-time optical shift as the stretch fabric distorts during movement. Sizing is consistent across Pump! styles, with a recommendation to size by natural waist and size down at boundary for a snug fit.
Verified claims
- Sizing
- Size by natural waist; size down at boundary for snug fit.
- Size consistency
- Size stays consistent across all Pump! styles.
- Pattern effect
- Check pattern distorts with movement, creating optical shift.
- Brand heritage
- Founded in Montreal in 2010 as designer men's underwear brand.
- Front fly
- Front opening is a functional fly.
- Pattern movement
- The check pattern creates a real-time optical illusion as it moves with you.
- Brand origin
- PUMP! is a men’s designer underwear label founded in Montreal in 2010.
- Pattern dynamics
- Stretch fabric distorts the check pattern for a real-time optical shift.
Product record
- Title
- 3" Check Illusion Trunk Cotton
- Brand
- Pump!
- Availability
- In stock
Image Analysis
2 images- 01
Product
Front view of a pair of low-rise men's trunks worn by a model; elastic black waistband with large printed logo, contoured front pouch with vertical stitching, and a high-contrast checkered pattern across the body with colored 3D offset lines.
- WaistbandWide elastic waistband in solid dark black with a large multicolored printed logo centered on the front.
1 region
x 0.18 · y 0.62 · w 0.64 · h 0.07 (high) - Waistband logo text“PUMP!”
1 region
x 0.26 · y 0.62 · w 0.48 · h 0.07 (high) - Main fabric patternAll-over geometric checkered pattern composed of alternating square blocks; pattern includes small cyan and pink/red offset outlines creating a chromatic 'illusion' effect.
1 region
x 0.12 · y 0.69 · w 0.76 · h 0.20 (high) - Front pouch constructionContoured front pouch with vertical center seam and black panel edging; seam and panel stitching are visible and contrast with the pattern.
1 region
x 0.36 · y 0.73 · w 0.28 · h 0.14 (high) - Leg openingsNarrow black hem band around each leg opening contrasting with the patterned body.
1 region
x 0.12 · y 0.85 · w 0.76 · h 0.06 (high)
Other
Studio shot showing a male model from neck to upper thighs against a plain light background; even lighting with soft shadows, centered composition, and visible tattoos on the model's torso and arms.
- Shot compositionCentered frontal studio shot cropping the model at the neck and mid-thigh to emphasize the trunks.
1 region
x 0.00 · y 0.00 · w 1.00 · h 1.00 (high) - BackgroundPlain light gray or off-white seamless background with minimal visible texture.
- Model tattoosMultiple tattoos visible on chest, shoulders, and arms surrounding the product area; tattoos are part of the scene but not product features.
1 region
x 0.06 · y 0.07 · w 0.88 · h 0.60 (high) - Lighting and shadowSoft diffuse lighting with subtle shadows under the waistband and along the model's torso indicating studio illumination.
Colors
black· waistband backgroundmulticolored teal and pink· waistband lettering#EBBBA4black· check squares (dark)#131315white· check squares (light)cyan· 3D offset lines (cyan)pink red· 3D offset lines (pink/red)black· leg hem bands#0D0D0D- WaistbandWide elastic waistband in solid dark black with a large multicolored printed logo centered on the front.
- 02
Product
Rear view of a pair of men's trunks worn by a model; visible features include a glossy black elastic waistband, a high-contrast small-check graphic pattern with red and cyan offset highlights, a vertical center-back seam with cyan topstitching, and black leg trims.
- View and fitRear-facing trunks worn on a male model; the garment sits below the natural waist with full rear coverage and short leg length ending at upper thighs.
1 region
x 0.12 · y 0.62 · w 0.76 · h 0.34 (high) - WaistbandWide glossy black elastic waistband with a smooth finish and visible single vertical seam at center back.
1 region
x 0.12 · y 0.62 · w 0.76 · h 0.08 (high) - Base fabricKnit fabric with a dense printed small-check geometric pattern composed of black and white squares creating an illusion effect across the rear panel.
1 region
x 0.12 · y 0.70 · w 0.76 · h 0.18 (high) - Color accent patternSmall red and cyan offset highlights inserted into the check pattern producing a moiré/optical-illusion effect across the fabric.
1 region
x 0.12 · y 0.70 · w 0.76 · h 0.18 (high) - Center back seam and stitchingVertical center-back seam runs down the middle of the rear panel with visible cyan topstitching reinforcing the seam and curving into the seat area.
1 region
x 0.42 · y 0.66 · w 0.14 · h 0.24 (high) - Leg openingsShort leg openings finished with a solid black trim band that contrasts with the patterned body.
1 region
x 0.12 · y 0.86 · w 0.76 · h 0.06 (high) - Crotch panel detailCurved lower rear seam and slightly different orientation of the check pattern at the crotch panel with cyan reinforcing stitch around the curve.
1 region
x 0.36 · y 0.80 · w 0.28 · h 0.12 (medium)
Other
Studio product shot showing the model from the rear against a plain light gray background with soft even lighting and minimal shadows; several tattoos are visible on the model's back and arms but not identified.
- Background and lightingNeutral light gray seamless background with soft, diffuse lighting producing even illumination and gentle shadows under the model's arms and at the lower torso.
- Model tattoos visibleMultiple black-ink tattoos appear on the model's neck, shoulders, upper arms, and forearms; tattoos are visible but not labeled or identified.
2 regions
x 0.22 · y 0.04 · w 0.56 · h 0.28 (high); x 0.64 · y 0.30 · w 0.28 · h 0.44 (high) - Shot framingVertical crop includes the model from just below the neck to mid-thigh, centered horizontally with the trunks as the focal point.
Colors
glossy black· waistband#151214matte black· main check pattern - black squares#141413bright white· main check pattern - white squaresaccent red· pattern accentscyan highlight· stitching and small pattern accentssolid black· leg trim#0D0D0E- View and fitRear-facing trunks worn on a male model; the garment sits below the natural waist with full rear coverage and short leg length ending at upper thighs.