Ships in 1-2 business days | Based in Denver, CO | Est. 2002 Less sunscreen, more coverage The Difference is in the Fabric. The activated particles in Cocona™/37.5™ fabric increase the surface area by up to 800%. The greater surface area results in outstanding evaporative cooling and UV protection. The protection never washes out. Features: 1 Pair (2 Sun Sleeves) UPF 50+, reliably blocks 98%+ of UVA and UVB rays, chemical-free, hypoallergenic Sun protection will not wash out Full arm & hand sun protection or roll it up to the wrist Ambidextrous, unisex, moisture wicking and cooling Stretchy fabric allows a lot of latitude in sizing, so if your style is active, consider a smaller size for a more snug fit _______________________________________________ Sizing: Size Length of Sleeve Small 20.5" | 52cm Medium 22" | 56cm Large 24" | 61cm Weight: 2oz | 57g (medium) *Weight may vary due to fabric variation Materials: 87% 37.5™ polyester, 13% spandex, thermoregulating UPF 50+ Made in the U.S.A.