Black short sleeve athletic shirt. Breathable and sweat-wicking fabric. MEN'S LIGHTWEIGHT BASE LAYER - SHORT SLEEVE Key Features: Lightweight material - Works to actively wick sweat away from skin Temperature regulation - Regulates your body temperature in hot and humid conditions Versatile performance - Perfectly matched to a wide range of conditions Comfortable - A soft and comfortable layer under your bibs and jersey prevents chafing when you sweat How To Wear: Wear with lightweight jerseys (under bib straps) in hot weather. Fit: Designed to sit close to the skin and fit under all jerseys in Rapha’s