Flex Cap Bottle Reef 21oz

Hydro Flask 21 oz Standard Mouth bottle with Flex Straw Cap in Reef delivers reliable hydration for daily life and outdoor adventures. Its TempShield double wall insulation keeps cold drinks icy for up to 24 hours and hot beverages steaming for up to 12 hours, while the flexible straw cap enables one handed sipping on the move.

• TempShield double wall insulation: Keeps drinks cold up to 24 hours or hot up to 12 hours, with minimal condensation.
• Flex Straw Cap: Leakproof when closed; sip easily with one hand for on the move hydration.
• Standard Mouth design: Easy filling and cleaning; fits most cup holders and bags.
• Durable stainless steel: Built to withstand daily use and resist rust for long term durability.
• Dishwasher safe: Convenient cleaning option after workouts or travel.
• Color Reef: Bright color helps you spot your bottle in a crowd.
• Recommended Use: Ideal for hiking, commuting, gym sessions, and travel; not for hot liquids with the straw cap.

Enjoy a durable hydration partner built to last. TempShield insulation minimizes condensation and keeps cold drinks icy for up to 24 hours and hot drinks warm for up to 12 hours. The Flex Straw Cap adds one handed convenience during workouts, commutes, and travel, while the stainless steel body resists everyday wear and flavor transfer, supporting repeat use and less plastic waste.