Hydro Flask Standard Mouth Flex Straw Cap Colours:BLACK All-Weather TPU for enhanced traction

All-Weather TPU for enhanced traction

Better Leather from a tannery rated silver by the Leather Working Group for its water

Waterproof nylon snow collar and upper

Chin Guard and Hand Pockets For Extra Comfort

The 3M™ Full Facepiece 6000 Series meets the requirements of the ANSI Z87

Hydro Flask Standard Mouth Flex Straw Cap Colours:BLACK All-Weather TPU for enhanced tractionHydration on the go just got easier with the leakproof, insulated Flex Straw Cap. Add it to your favorite Standard Mouth Hydro Flask bottle to easily enjoy cold hydration anywhere. Leakproof when closed Straw is easy to trim to fit your favorite Hydro Flask Flex Strap is easy to transport and comfortable to carry Insulated for maximum temperature retention Removable components for easy cleaning BPA Free Dishwasher safe Not intended for use with hot