E-Performance Wear function fabric, 84% Nylon 16% Elastane knit jersey. Contrast cover stitch at shoulder, armhole, side seam.E-Performance Wear–Cooldry function:moisture wicking, anti-Bacterial De-odorized treatment.–UV protection, quickdry, easy care.–Smooth, light weight and stretch provides comfort and freedom of movement.–Faster warm up and increase circulation and muscle.–Encourage blood, oxygen to the muscles.–Optimising body temperature comfortable in hot and cold conditions.