621ml bottle delivers effortless one-handed hydration with legendary temperature retention.
The Hydro Flask 21oz Standard Mouth with Flex Straw Cap keeps drinks ice-cold for 24 hours or hot for 12, perfect for surf checks, beach missions, or long days on the move. Flip up the leakproof straw for quick sips without spilling, while the ergonomic flex strap makes carrying a breeze. Made from 18/8 pro-grade stainless steel, it eliminates flavour transfer and condensation, with cupholder-friendly design that fits car consoles and bike cages effortlessly.
- TempShield insulation Double-wall vacuum keeps cold 24 hours, hot 12 hours.
- Flex Straw Cap Leakproof flip straw with 2 replacements, BPA-free.
- 18/8 stainless steel Durable construction, pure taste, no flavour carryover.
- Flex Strap Comfortable carry handle for easy transport.
- Cupholder compatible Fits most vehicle and bike holders.
Unconditional Satisfaction Guarantee
