Under Armour Men UA Combine&reg; Training ColdGear&reg; Long Sleeve T-Shirt Dual-layer fabric with an ultra-warm, brushed interior & a slick, fast-drying exterior Cocona side panels disperse moisture quickly to dry incredibly fast 4-way stretch fabrication allows greater mobility in any direction Anti-odor technology prevents the growth of odor causing microbes Performance thumbholes. Body: 7.1 oz. Polyester/Elastane. Panels: 8.0 oz. Polyester/Elastane