The Tasc Carrollton 1/4 zip is a lightweight layer that's ready for anything. Made from MOSOtech: 51% organic cotton / 41% viscose from bamboo / 8% lycra® spandex, this fabirc is optimized for any activity. With UPF50+ it will keep you safer in the sun. It also offers odor control, moisture wicking and quick drying capabilities so you'll stay fresh and comfortable. Other features inlude a relaxed fit, lock down zipper with garage, contrast seaming, sleeve cuffs, no top shoulder seam, and a 29" length. All you need to do is get out there and have fun!