Description Main Fabric: 86% Polyester + 14% Elastane Combination of 3 Italian fabrics Full-length YKK zipper for optimal ventilation and flexibility Breathable and high-wicking light structured polyester fabric Mesh on side panel for ventilation and comfort One smaller zipped pockets offer secure storage for valuables Set in sleeve for superior fit Low profile collar Fitting : Unisex Aero Racecut