{"product_id":"under-armour-mens-performance-tech-long-leg-boxer-brief","title":"Under Armour Men's Performance Tech Long-Leg Boxer Brief","description":"\u003cp\u003eOur review of the Under Armour Men's Multi-Pack Performance Tech Long-Leg Boxer Brief finds them best suited to active men who want a streamlined, stay-put undershort for daily training and long runs. The single biggest reason to buy is the combination of the brand's \u003cstrong\u003ePerformance Tech fabric\u003c\/strong\u003e that feels exceptionally soft and the 4-way stretch construction that moves freely without riding up, delivering reliable all-day comfort and breathability under workout gear or casual clothes.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsanely soft fabric:\u003c\/strong\u003e The Performance Tech material feels smooth against skin, reducing irritation during extended wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreathable design:\u003c\/strong\u003e Articulated mesh fly panel and gusset allow airflow where it is needed most to help keep you cool.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-way stretch construction:\u003c\/strong\u003e Fabric stretches in every direction so the boxer brief moves with dynamic activity without binding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo-roll hem and chafe-free seams:\u003c\/strong\u003e The leg hem stays in place during runs and the seamless sides and back minimize friction for comfort.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance waistband:\u003c\/strong\u003e A branded elastic waistband holds the brief up without digging in or requiring adjustment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThese boxer briefs are ideal for active men who prioritize comfort and mobility: runners, gym-goers, and anyone who spends long hours on their feet. The 9' inseam provides extra coverage compared with shorter undershorts, which many customers praise for preventing ride-up during exercise.\u003c\/p\u003e\n\u003cp\u003eThose who want maximum longevity from value purchases or who need heavy-duty work underwear might look elsewhere, as customer feedback on durability is mixed and some users have reported seam issues after extended use.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSoft, breathable fabric that wicks sweat and dries quickly for comfortable activity.\u003c\/li\u003e\n\u003cli\u003e4-way stretch and fitted cut that feels supportive without being too tight.\u003c\/li\u003e\n\u003cli\u003eNo side or back seams and a no-roll hem that reduce chafing and keep the leg in place.\u003c\/li\u003e\n\u003cli\u003ePerformance waistband with wordmark for a secure fit and modern look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDurability is mixed across customers, with some reporting seam splitting over time.\u003c\/li\u003e\n\u003cli\u003ePerceived value varies; some find the price high compared with alternatives.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eUnder Armour\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStyle\u003c\/td\u003e\n\u003ctd\u003eMulti-Pack Performance Tech Long-Leg Boxer Brief\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInseam\u003c\/td\u003e\n\u003ctd\u003e9 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFabric\u003c\/td\u003e\n\u003ctd\u003ePerformance Tech, lightweight and breathable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003e4-way stretch with mesh fly panel and gusset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFeatures\u003c\/td\u003e\n\u003ctd\u003eTagless, no-roll hem, chafe-free seams, performance waistband\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Under Armour Performance Tech long-leg boxer brief is a smart buy for athletes and active men who want a soft, breathable undershort that stays put during movement; its fitted cut and 4-way stretch deliver reliable comfort. If long-term toughness is your top priority, consider rotating pairs or checking heavier-duty options, since durability feedback is mixed.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these boxer briefs good for running?\u003c\/strong\u003e\u003cbr\u003eYes, the 9 in inseam and no-roll hem help prevent ride-up and the fabric wicks sweat to keep you comfortable on runs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo they feel bulky under pants?\u003c\/strong\u003e\u003cbr\u003eNo, the Performance Tech fabric is lightweight and streamlined, so they sit smoothly under workout shorts or jeans.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the fit run?\u003c\/strong\u003e\u003cbr\u003eThe briefs are fitted with a streamlined cut that is not too tight or too loose; the 4-way stretch adds flexibility for different body shapes.\u003c\/p\u003e","brand":"Under Armour","offers":[{"title":"Default Title","offer_id":48619264049371,"sku":"B0C2FMLTLH","price":31.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81GWbJb6YvL._AC_SL1500_d1665e75-2143-4415-9e68-bfe040298f57.jpg?v=1778450820","url":"https:\/\/gearmusthave.com\/products\/under-armour-mens-performance-tech-long-leg-boxer-brief","provider":"GearMustHave","version":"1.0","type":"link"}