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WHAT'S IT DO? These aren’t your grandpa's long underwear. The patented negative grid traps ridiculous warmth without adding excess weight. UA Base™ 3.0 is heavyweight protection in a lightweight layer. It provides superior warmth for times when you know you'll need it. THE FUNDAMENTALS FITTED: Sits close to the skin for a streamlined fit without the squeeze of compression. UA Base™ 3.0 is built to fight the bitter cold without weighing you down Soft, brushed negative grid interior traps hot air, providing superior warmth 4-Way Stretch fabrication allows greater mobility and maintains shape Signature Moisture Transport System wicks sweat away from the body Quick-dry fabrication keeps you light and comfortable Anti-Odor technology prevents the growth of odor causing microbes Raglan sleeve construction and flatlock stitching allow a full range of motion without chafing 7.0 oz. Polyester/Elastane Imported
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🇺🇸 Ship from USA · On Agora since 2025
$74.99