Men's quick drying functional shirt: The Loap PARTL has a zippered stand-up collar and a close-fitting cut. The flat seams ensure maximum mobility and comfort. The sleeve cuffs and bottom hem come without a drawstring. The slightly extended back panel provides better thermal comfort during outdoor activities. This elegant functional shirt with reflective elements is very pleasant to the touch. The lightweight, very stretchy and smooth MEDIUM SUPER material with a touch of elastane is ideal as a first layer of functional clothing - it fits perfectly.