The Nathan AddOn 8 oz Flask attaches securely to any Nathan belt to carry extra water or gel. A lightweight holster keeps the BPA-free flask locked in place but also grants quick access when you need it. A leakproof cap provides high-flow performance.
The Nathan Tru-Flex Bottle
holds 22 ounces of liquid in a super-soft and easy to squeeze body. Featuring a
reinforced leak-proof push-pull cap, the Tru-Flex Bottle is BPA-free, top-rack
dishwasher safe and resistant to taste and odor build-up.