Hydro Flask 21oz Standard Flex Straw Cap Colour:Rain ensuring they stay waterproof and

ensuring they stay waterproof and extending their

Fit: Regular fit

dry™  waterproof/breathable/windproof solution

Single flapped back patch pocket with secure zipper closure

Hydro Flask 21oz Standard Flex Straw Cap Colour:Rain ensuring they stay waterproof andMore hydration for more fun with the leakproof, Flex Straw Cap. The 21 oz Standard Mouth with Flex Straw Cap is just the right size for staying hydrated before, during and after activity. Beverages stay cold for 24 hours and hot for up to 12. The Flex Straw Cap is leakproof and makes it easy to sip on the move. FEATURES Flex Straw Cap makes cold refreshment that much easier Flex Straw Cap is leakproof when closed, to transport without worry Flex Strap