Spend your days outdoors with the Hydro Flask 21oz Standard Mouth Bottle with Flex Cap!

Packed with double wall vacuum insulation in its TempShield technology, it keeps your water cold for up to 24 hours with no condensation, leaving the exterior dry. Perfect to carry to school, work, hiking trails, or gym sessions, the Hydro Flask bottles are made to keep you hydrated while on-the-go.

Discover our range of reusable drink bottles from Hydro Flask and more online and in stores today!

Features:

• Capacity: 21oz / 621ml
• BPA-Free and Phthalate-Free
• Durable 18/8 Pro-Grade Stainless Steel
• Comes with Standard Mouth Flex Cap Lid
• TempShield insulation keeps drinks cold for up to 24 hours and hot for up to 12 hours
• Condensation resistant: Exterior stays dry