Brand: IBKUL Features: Our Long Sleeve Zip Mock Neck features our patented IceFil technology fabric. It works by converting sweat to refrigerant; cooling your skin 3 to 5 degrees, allowing you to be cool, comfortable, and dry on the hottest humid days. This garment also has built-in UPF 50 sun protection and moisture-wicking properties. This style has a mesh underarm panel promoting additional comfort and breathability. Wear the Long Sleeve Zip Mock Neck to all athleisure activities! 92% Nylon, 8% Polyurethane IceFil® technology reduces body temperature by up to 5 degrees so you stay comfortable on hot humid days UPF 50+ offers superior sun protection Moisture-wicking, fast drying fabric keeps you comfortable Antimicrobial for odor protection Ultra-smooth and lightweight to the touch Size: Small Condition: Excellent pre-owned condition, like new - Blackwolf Run embroidery at side arm - barely noticeable ( see last pic ) Approximate flat lay measurements: Armpit to Armpit: 18" Shoulder to Hem: 24" See pics for details - first pic is a stock photo 6-5190