Protection on demand. Think the ultra lightweight UPF Deflector 2.0-but just the sleeves. That&&';;s UPF 50 coverage from the upper arm to the knuckles, complete with extended cuffs, thumbholes, and watch windows on each sleeve. Silicone grippers keep 'em up. 67% recycled polyester, 25% polyester & 8% spandex UPF 50 rating Super breathable, ultra lightweight & quick-drying Silicone grippers at arm opening Watch window on top of both wrists Extended cuffs with thumbholes XS/SM 8.75" around at the bicep, sleeve length 19" MD/LG 9.75" around at the bicep, sleeve length 19.5" Machine wash cold, tumble dry low, don&';t bleach or iron Designed in California, made abroad