Under Armour Mens Cold Black Short Sleeve T-Shirt Black Imported Revolutionary coldblack technology reflects IR and heat rays, so even dark colors don't get as hot, keeping you cooler in the blazing sun Lightweight, high-performance, sandblasted fabric maximizes comfort and breathability Signature Moisture Transport System wicks sweat and dries quickly, keeping you cool and dry 4-way stretch construction improves mobility and accelerates dry time Rolled shoulder seams, positioned to eliminate discomfort in high-abrasion areas