Hydro Flask 21oz Lightweight Standard Mouth Insulated Bottle + Flex Cap - 621ml - Slate

Less weight, more options: This Hydro Flask 21oz Lightweight Standard Flex Cap Stainless Steel Thermal Bottle is 25% lighter than the Standard Mouth model bottle in this size. The thinner walls are made from high quality 18/8 stainless steel for lighter weight without sacrificing the durability of this water bottle.

Features of the Hydro Flask 21oz Lightweight Standard Mouth Insulated Bottle + Flex Cap - 621ml

• Lightweight - ideal for hydration on the go
• Fits most outdoor water filters
• TempShield™ insulation prevents condensation and keeps drinks cold for up to 24 hours and hot for up to 12 hours.
• Flexible, perforated aluminum band and swivels for additional weight reduction
• BPA & Phthalate Free