UNDER ARMOUR. 1257466001. MENS RAID SHORT SLEEVE T-SHIRT. BLACK. Fitted-- Next-to-skin without the squeeze. HeatGear fabric is ultra-soft and smooth for extreme comfort with very little weight. Stretch-mesh underarm and back panels deliver strategic ventilation. 4-way stretch construction moves better in every direction. Material wicks sweat and dries really fast. Anti-odor technology prevents the growth of odor-causing microbes. Body-- 4.7 oz. 90 percent Polyester with 10 percent Elastane. Mesh-- 3.5 oz. 88 percent Polyester with 12 percent Elastane.