Aqua Flow Calibrated Racing Bottle with Dirt Mask Hobbies & Creative Arts Patent pending open back catches

Patent pending open back catches water when you pull parallel to the forward movement (to train an Early Vertical Forearm)

Sliding shelf to accomodate any width chain

Upper: Synthetic PU waterproof Leather

Heavy duty #10 YKK zipper with metal zipper head

Aqua Flow Calibrated Racing Bottle with Dirt Mask Hobbies & Creative Arts Patent pending open back catchesHydrate With Ease All the features you could want in one clear bottle. The 740 mL (25 oz) Aqua Flow is the ideal water bottle for gravel and adventure bikes. It provides instantaneous refreshment from the latest Squeeze & Squirt technology. A fast flow of refreshment keeps you riding longer.