It couldn't be more comfortable. The ultra-extensible fabric follows your movements and lets you enjoy your activity to the full without getting in the way. Soft fabric that won't itch, puddle or tear, and has a clean look. Sweat-wicking, quick-drying fabric Body-hugging stretch fabric Integrated thumb loops to hold sleeves in place and watch opening on left wrist for easy access rapide Envelope pocket on right side Large ½ zip on front for easy layering Rounded hem Model number: 1379349 88% polyester / 12% elastane Imported Fit: Aerodynamic cut neither too tight nor too loose. Machine wash cold with similar colors. Use only chlorine-free bleach if necessary tumble dry at low temperature Do not iron Do not use fabric softener Do not dry clean