The Amphipod Profile-Lite High 5-K™ belt is built for the running warriors out there taking on the miles, no matter the heat. This belt features a low-profile design with an insulated thermal sleeve for keeping hydration cool for warm running days. A 16 oz squeeze Hydraform™ bottle with a Jett-lock™ Cap. Runners can even stay connected to their mobile devices with a large expandable zip-pocket that fits plus sized phones. Expandable pocket (6" x 4") fits smartphones, sunglasses, keys, cards, wallet and other small essentials. Features a durable, fully adjustable webbed belt. Includes an internal divider. Has a bounce-free design.