Soft, stretch fabric delivers amazing breathability and comfort. ColdGear® Infrared lining uses a soft, thermo-conductive inner coating to absorb and retain body heat. Signature Moisture Transport System wicks sweat to keep you dry and light. Lightweight, 4-way stretch construction improves mobility and maintains shape. Anti-microbial technology keeps your gear fresher, longer. Exaggerated ribbed cuffs and crew neck. Rolled forward shoulder seams for enhanced comfort.