Hydro Flask 21oz (621ml) Standard Flex Straw Cap Drink Bottle - Mermaid Green Womens Singlets & Tanks True-to-size fit Matches age sizing

True-to-size fit Matches age sizing for reliable comfort

It’s designed to keep up with everything from skate sessions to everyday adventures

100% BCI Cotton: Responsibly sourced cotton offering softness and breathability

choppy conditions

Hydro Flask 21oz (621ml) Standard Flex Straw Cap Drink Bottle - Mermaid Green Womens Singlets & Tanks True-to-size fit Matches age sizing621ml 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