Standard FlexStraw Cap Black bottle 4 in x 3 in

4 in x 3 in (35 mm x 76 mm)

Designed to fit a technical alpine boot

this bag can be used in cool temperatures

Unlike many tents in this class

Standard FlexStraw Cap Black bottle 4 in x 3 inFlip and sip. Hydration 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