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Under Armour Performance Apparel
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Under Armour ® Underwear

Men's Under Armour ® Underwear: Jock, Boxer Briefs, Sport Briefs, Boxer Shorts

Under Armour ® Underwear delivers all-day performance, in lightweight, breathable designs. Under Armour ® Underwear provides maximum comfort & rapid moisture management. Originally designed for use under athletic uniforms and pads, Under Armour ® Underwear has quickly become an ideal choice for everyone, for work or play. Under Armour ® sports underwear is a leader in the field because of its unique characteristics & superior moisture-wicking ability. The Under Armour ® Boxer Brief (one of UA’s first underwear designs), has become a  favorite choice of underwear for athletes, soldiers, professionals & persons seeking an alternative to cotton based under garments. Constructed of a lightweight blend of silky polyester, & elastane microfiber, UA Underwear is designed to enhance breathability, increase moisture transport & reduce rubbing and irritation.
UUnder Armour ® Boxer Jocks are the most popular in the boxer briefs underwear line. UA Boxer Jocks feature the freedom of a boxer and the compression and support of a traditional brief. Made with a four way stretch design, Under Armour ® Boxer Briefs don't ride or bind, keeping you comfortable and dry all day long. Available in 3-inch, 6-inch and 9-inch designs. For loose fitting comfort, Under Armour ® Boxer Shorts are constructed of a breathable fabric with a generous cut for enhanced fit and unrestricted use. Showcasing lightweight and silky microfiber construction, the Under Armour ® Boxer Short is engineered with four way stretch for reliable recovery all day long, wash after wash.

Under Armour ® Underwear Preview

Under Armour Underwear - Relaxed Short Sleeve Undershirt- White
Under Armour ® Underwear
Relaxed Short Sleeve Undershirt- White 1000884


Our Price: $19.98
The Relaxed Short Sleeve Undershirt from Under Armour, is part of the latest offering in Performance Underwear. The UA undershirt is lightweight and designed for breathability and moisture transport. Four way stretch is added to the 0884 to add durability and comfort, wash after wash. Tonal Under Armour logo on front.

Available Sizes: Small(SM), Medium(MD), Large(LG), Extra-Large(XL), 2X-Large(XXL)

Available Colors: Black, White
Under Armour Underwear - Boxer Shorts - White
Under Armour ® Underwear
Boxer Shorts - White 1000668


Our Price: $19.98
The 1000668 Boxer Short from Under Armour, is designed to be a comfortable, loose fitting boxer short. Showcasing a 100% PolyArmour design with a 4''-inch inseam, the 1000668 is a traditonal style boxer with a generous cut for enhanced comfort and breathability. HeatGear fabric provides increased moisture transport keeping you cool and dry all day long.

Available Sizes: Small(SM), Medium(MD), Large(LG), Extra-Large(XL), 2X-Large(XXL), 3X-Large(XXXL)

Available Colors: Black, Heather Gray, White
Under Armour Underwear - Long Boxer Jock - Heather Gray
Under Armour ® Underwear
Long Boxer Jock - Heather Gray 1000669


Our Price: $19.98
The Long Boxer Briefs from Under Armour ® are designed for comfort with extended leg coverage. Showcasing a 100% PolyArmour™ design and a 9-Inch inseam, the long cut 1000669 is ideal for men who desire added coverage and support. A built in vent mesh performance pouch provides enhanced breathability and increased moisture transport without sacrificing comfort. HeatGear ® fabrication keeps you cool and dry on the warmest days.

Available Sizes: Small (SM), Medium (MD), Large (LG), X-Large (XL), 2X-Large (XXL), 3X-Large

Available Colors: Black, Heather Gray, White
Under Armour Underwear - Relaxed Performance Crew Longsleeve Undershirt-Black
Under Armour ® Underwear
Relaxed Performance Crew Longsleeve Undershirt-Black 1100539


Our Price: $29.98
The Relaxed Performance Undershirt from Under Armour, is part of the latest offering in Performance Underwear. The UA Performance Crew is lightweight and designed to fit close to the body, for cool, dry comfort and performance. Showcasing four-way stretch construction, the 1100539 maintains durability and comfort, wash after wash. The Under Armour Long Sleeve Undershirt features an antimicrobial treatment to combat odor, while built-in UPF 30+ protection blocks over 95% of harmful UV rays, providing essential protection from the sun.

Available Sizes: Small(SM), Medium(MD), Large(LG), Extra-Large(XL), 2X-Large(XXL), 3X-Large (XXXL)

Available Colors: Black, White
Under Armour Underwear - Boxer Jock - Heather Gray
Under Armour ® Underwear
Boxer Jock - Heather Gray 1000667


Our Price: $19.98
The Mens Under Armour Boxer Jock is engineered for performance and comfort. The UA Boxer Jock is designed for a comfortable fit with full leg coverage, the 1000667 Boxer, features a 100% Poly Armour design and a 6-Inch inseam for lightweight dry use.

Showcasing the freedom of a traditional boxer and the support of a traditional boxer jock, the 1000667 boxer jock utilizes built-in performance lined venting to provide enhanced breathing and increased moisture transport. HeatGear ® construction keeps you cool and dry in the most intense heat, making the Under Armour Boxer Jock an ideal gear choice for all environments.

Available Sizes: Small, Medium, Large, Extra Large, Extra Extra Large, 3XL

Available Colors: Black, White and Heather Gray
Under Armour Underwear - Long Boxer Jock - White
Under Armour ® Underwear
Long Boxer Jock - White 1000669


Our Price: $19.98
The Long Boxer Briefs from Under Armour ® are designed for comfort with extended leg coverage. Showcasing a 100% PolyArmour™ design and a 9-Inch inseam, the long cut 1000669 is ideal for men who desire added coverage and support. A built in vent mesh performance pouch provides enhanced breathability and increased moisture transport without sacrificing comfort. HeatGear ® fabrication keeps you cool and dry on the warmest days.

Available Sizes: Small (SM), Medium (MD), Large (LG), Extra-Large (XL), 2X-Large (XXL), 3X-Large

Available Colors: Black, Heather Gray, White
Under Armour Underwear - Relaxed Performance Crew Longsleeve Undershirt-White
Under Armour ® Underwear
Relaxed Performance Crew Longsleeve Undershirt-White 1100539


Our Price: $29.98
The Relaxed Performance Undershirt from Under Armour, is part of the latest offering in Performance Underwear. The UA Performance Crew is lightweight and designed to fit close to the body, for cool, dry comfort and performance. Showcasing four-way stretch construction, the 1100539 maintains durability and comfort, wash after wash. The Under Armour Long Sleeve Undershirt features an antimicrobial treatment to combat odor, while built-in UPF 30+ protection blocks over 95% of harmful UV rays, providing essential protection from the sun.

Available Sizes: Small(SM), Medium(MD), Large(LG), Extra-Large(XL), 2X-Large(XXL), 3X-Large (XXXL)

Available Colors: Black, White
Under Armour Underwear - Short Boxer Jock - Black
Under Armour ® Underwear
Short Boxer Jock - Black 0666


Our Price: $19.98
The Under Armour Short Boxer Briefs are designed for a comfortable fit with minimal leg coverage. Showcasing a 100% PolyArmour design and a 3''-inch inseam, the 0666 briefs are perfect for the athletic and professional man. A built in vent mesh performance pouch provides enhanced breathability and increased moisture transport without sacrificing comfort. HeatGear fabric keeps you cool and dry.

Available Sizes: Small(SM), Medium(MD), Large(LG), Extra-Large(XL), 2X-Large(XXL), 3X-Large

Available Colors: Black, Heather Gray and White
Under Armour Underwear - Boxer Jock - Black
Under Armour ® Underwear
Boxer Jock - Black 1000667


Our Price: $19.98
The Mens Under Armour ® Boxer Jock is engineered for performance and comfort. The Under Armour ® Boxer Jock offers full leg coverage while providing a comfortable and lightweight compression fit, these boxer briefs feature a 100% PolyArmour ™ design and a 6-Inch inseam for lightweight dry use. Showcasing the freedom of traditional boxers and the support of traditional boxer briefs, the 1000667 boxer shorts utilize built-in breathable vent mesh performance pouch to provide enhanced breathing and increased moisture transport. HeatGear ® construction keeps you cool and dry in the most intense heat, making the Under Armour Boxer Jock an ideal gear choice for all environments.

1000667 Available Sizes: Small, Medium, Large, Extra Large, Extra Extra Large, 3XL
Under Armour Underwear - Boxer Jock - White
Under Armour ® Underwear
Boxer Jock - White 1000667


Our Price: $19.98
The Mens Under Armour Boxer Jock is engineered for performance and comfort. The UA Boxer Jock is designed for a comfortable fit with full leg coverage, the 1000667 Boxer, features a 100% Poly Armour design and a 6-Inch inseam for lightweight dry use.

Showcasing the freedom of a traditional boxer and the support of a traditional boxer jock, the 1000667 boxer jock utilizes built-in performance lined venting to provide enhanced breathing and increased moisture transport. HeatGear ® construction keeps you cool and dry in the most intense heat, making the Under Armour Boxer Jock an ideal gear choice for all environments.

Available Sizes: Small, Medium, Large, Extra Large, Extra Extra Large, 3XL

Available Colors: Black, White and Heather Gray
Under Armour Underwear - Short Boxer Jock - Heather Gray
Under Armour ® Underwear
Short Boxer Jock - Heather Gray 0666


Our Price: $19.98
The Under Armour ® Short Boxer Briefs are designed for a comfortable fit with minimal leg coverage. Showcasing a 100% PolyArmour ™ design and a 3''-inch inseam, the 0666 briefs are perfect for the athletic and professional man. A built in vent mesh performance pouch provides enhanced breathability and increased moisture transport without sacrificing comfort. HeatGear ® fabric keeps you cool and dry.

Available Sizes: Small(SM), Medium(MD), Large(LG), Extra-Large(XL), 2X-Large(XXL), 3X-Large

Available Colors: Black, Heather Gray and White
Under Armour Underwear - Boxer Shorts - Black
Under Armour ® Underwear
Boxer Shorts - Black 1000668


Our Price: $19.98
The 1000668 Boxer Short from Under Armour, is designed to be a comfortable, loose fitting boxer short. Showcasing a 100% PolyArmour design with a 4''-inch inseam, the 1000668 is a traditonal style boxer with a generous cut for enhanced comfort and breathability. HeatGear fabric provides increased moisture transport keeping you cool and dry all day long.

Available Sizes: Small(SM), Medium(MD), Large(LG), Extra-Large(XL), 2X-Large(XXL), 3X-Large(XXXL)

Available Colors: Black, Heather Gray, White
Under Armour Underwear - Short Boxer Jock - White
Under Armour ® Underwear
Short Boxer Jock - White 0666


Our Price: $19.98
The Under Armour Short Boxer Briefs are designed for a comfortable fit with minimal leg coverage. Showcasing a 100% PolyArmour design and a 3''-inch inseam, the 0666 briefs are perfect for the athletic and professional man. A built in vent mesh performance pouch provides enhanced breathability and increased moisture transport without sacrificing comfort. HeatGear fabric keeps you cool and dry.

Available Sizes: Small(SM), Medium(MD), Large(LG), Extra-Large(XL), 2X-Large(XXL), 3X-Large

Available Colors: Black, Heather Gray and White
Under Armour Underwear - Relaxed Short Sleeve Undershirt- Black
Under Armour ® Underwear
Relaxed Short Sleeve Undershirt- Black 1000884


Our Price: $19.98
The Relaxed Short Sleeve Undershirt from Under Armour, is part of the latest offering in Performance Underwear. The UA undershirt is lightweight and designed for breathability and moisture transport. Four way stretch is added to the 0884 to add durability and comfort, wash after wash. Tonal Under Armour logo on front.

Available Sizes: Small(SM), Medium(MD), Large(LG), Extra-Large(XL), 2X-Large(XXL)

Available Colors: Black, White
Under Armour Underwear - Long Boxer Jock- Black
Under Armour ® Underwear
Long Boxer Jock- Black 1000669


Our Price: $19.98
The Long Boxer Briefs from Under Armour ® are designed for comfort with extended leg coverage. Showcasing a 100% PolyArmour™ design and a 9-Inch inseam, the long cut 1000669 is ideal for men who desire added coverage and support. A built in vent mesh performance pouch provides enhanced breathability and increased moisture transport without sacrificing comfort. HeatGear ® fabrication keeps you cool and dry on the warmest days.

Available Sizes: Small (SM), Medium (MD), Large (LG), Extra-Large (XL), 2X-Large (XXL), 3X-Large

Available Colors: Black, Heather Gray, White
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