Under Armour Coldblack Tipping Polo Shirts Most fabricsespecially dark colorsheat up & become unbearable in the blazing sun. Well, no more. Revolutionary coldblack technology makes dark colors act more like light colors & light colors act like nothing else. It also has the benefit of protecting your skin from sun damage. ?Revolutionary coldblack technology reflects IR & heat rays, so even dark color don? get as hot ?Fabric is stretchy, light & breathable so it can handle the hottest days ?Moisture Transport System wicks sweat & dries fast ?Anti-odor technology prevents the growth of odor causing microbes ?Self-fabric collar ?Stripe detail on sleeves & collar ?Performance fit ?6.5 oz. Polyester/Elastane CHEST (in)WAIST (in)SM34-3628-29MD38-4030-32LG42-4434-36XL46-4838-40XXL50-5242-443XL52-5444-464XL54-5646-485XL56-5848-50 Products Code:UND0013 Products Name:Under Armour Coldblack Tipping Polo Shirts.