Hydro Flask 21oz (621ml) Standard Flex Straw Cap Drink Bottle - Reef Crate Triax shell and cuff: Lightweight

Triax shell and cuff: Lightweight construction reduces fatigue while staying strong enough for solid edge grip

Adjustable silicone nose pads for a custom fit

good for the environment

Just micro-adjust the lean to suit your stance

and ’90s throwback graphics

Hydro Flask 21oz (621ml) Standard Flex Straw Cap Drink Bottle - Reef Crate Triax shell and cuff: LightweightHydrate with ease and style using the Hydro Flask 21oz Standard Flex Straw Cap Drink Bottle in Reef. This cupholder friendly bottle makes hydration simple with its leakproof Flex Straw Cap that opens and closes with a flip. Perfect for sipping on the move, its designed for cold drinks only and keeps them icy fresh for up to 24 hours thanks to TempShield double wall vacuum insulation. The wide standard mouth lets you easily add ice and clean