Chill river tank is a fun sleeveless top with back venting and our super-cooling, wicking fabric for hot, long days. Features comfort stretch, Omni-Wick, and binding at the collar & armhole. Made with Omni-Freeze technology to help you feel cool and dry with accelerated wicking and next-to-skin comfort in moderate to hot conditions. The active fit ensures a full range of motion. Back length: 28 inches. Shell: 89% polyester, 11% elastane. Colour: Alpenglow (Red). Size: L