Name: Modal Muscle Brief
Brand: Jack Adams
SKU: 401-311-agblu01
Price: 21.0 USD
Availability: InStock

Jack Adams Modal Muscle Brief aka the Booty Brief in abundant green/blue - premium men&

Jack Adams Modal Muscle Brief aka the Booty Brief in navy/orange - premium men&

Jack Adams Modal Muscle Brief aka the Booty Brief in sage/klein - premium men&

Jack Adams Modal Muscle Brief aka the Booty Brief in red/charcoal - premium men&

$35.00 $21.00

Shipping calculated at checkout.

Size

Color — Abundant Green/Blue

Abundant Green/Blue

Navy/Orange

Red/Charcoal

Sage/Klein Blue

Low stock - 6 items left
Backordered, shipping soon

The Modal Muscle Brief is made of an ultra-soft modal fabric. This body-hugging brief boasts minimal coverage at the hips for freedom of movement, full seat coverage, soft contrast binding, covered elastic waistband for comfort, and a contour pouch for all-day support. Recommended for men with bigger legs and glutes. Once you put these on you will not want to take these off

SIZE - True to size

Brief style underwear.
Low-rise, sits below the natural waistline.
Lenzing Modal Fabric – Naturally breathable, it regulates temperature while maintaining a sleek, sculpted fit and delivers exceptional softness with a fluid, second-skin feel.
Pouch – Single ply with a supportive contour pouch and chafe-free flatlock stitching.
1” Waistband – Covered elastic waistband with Jack Adams tag stitched to the front.
Model's height is 6’2” and wearing size M.

Fabric: 95% Modal 5% Elastane
Machine wash cold. Air dry. Do not bleach

Get free shipping for US orders over $125+

Discreet packaging: plain poly bag or brown box.

-Shipping Details

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{"id":47467857936596,"title":"S \/ Abundant Green\/Blue","option1":"S","option2":"Abundant Green\/Blue","option3":null,"sku":"401-311-agblu01","requires_shipping":true,"taxable":false,"featured_image":{"id":46072780390612,"product_id":9047136501972,"position":1,"created_at":"2026-01-22T06:45:57-08:00","updated_at":"2026-01-22T06:45:59-08:00","alt":"Jack Adams Modal Muscle Brief aka the Booty Brief in abundant green\/blue - premium men's underwear","width":684,"height":1026,"src":"\/\/jackadamsusa.com\/cdn\/shop\/files\/JackAdams_IMG_0643_401-311_Modal_Muscle_Brief_Abundant_Green_Sky_Blue_Profile_Lo__66932.1763006867.1280.1280.jpg?v=1769093159","variant_ids":[47467857936596,47467857969364,47467858002132,47467858034900]},"available":true,"name":"Modal Muscle Brief - S \/ Abundant Green\/Blue","public_title":"S \/ Abundant Green\/Blue","options":["S","Abundant Green\/Blue"],"price":2100,"weight":68,"compare_at_price":3500,"inventory_management":"shopify","barcode":"747442061069","featured_media":{"alt":"Jack Adams Modal Muscle Brief aka the Booty Brief in abundant green\/blue - premium men's underwear","id":37372501426388,"position":1,"preview_image":{"aspect_ratio":0.667,"height":1026,"width":684,"src":"\/\/jackadamsusa.com\/cdn\/shop\/files\/JackAdams_IMG_0643_401-311_Modal_Muscle_Brief_Abundant_Green_Sky_Blue_Profile_Lo__66932.1763006867.1280.1280.jpg?v=1769093159"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}

Jack Adams™ underwear and shorts/pants sizing is measured at the waist. To find your correct waist size, measure your torso about one inch below the belly button. To find your size in all of our tops and hoodies, measure your chest around, at approximately one inch below your arm pit.

Size Chart - INCHES

SIZES (inches)	S	M	L	XL	XXL
CHEST	35-37	38-40	41-43	44-47	N/A
NECK	14-14.5	15-15.5	16-16.5	17-17.5	N/A
WAIST	27-29	30-32	33-35	36-38	38-43

Size Chart - METRIC

SIZES (cm)	S	M	L	XL	XXL
CHEST	89-94	97-101	104-109	112-118	N/A
NECK	36-37	38-39	41-42	43-44	N/A
WAIST	69-73	76-81	84-89	91-97	97-109

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