Description These are awesome! With the Outdoor Research Active Ice Sun Sleeves never get sunburnt forearms again and don't bother carrying a longsleeve sunshirt as well as your tee. At 36g you are not going to notice these in your pack but they will save you a lot of pain. Super cool Outdoor Research 'Ice' fabric keeps you fresh all day in the hot sun and it actually feels cooler then not having anything on your skin - like a Fisherman's Friend for your skin! Great for trail running, hiking and trekking, crossing hot glaciers while mountaineering, climbing, cycling, kayaking or whatever. Outdoor Research ActiveIce Sun Sleeve Features Breathable Super cooling ActiveIce technology Lightweight Wicking Quick Drying UPF 50+ Silicone Grip Palm Thumb Hole Bicep Grip Reflective Logos on Lemongrass Colorway Specifications Fabric: 91% polyester, 9% spandex, stretch Video