Hydro Flask Lightweight Wide Flex Cap Serpentine 40oz

Durable, yet 20% lighter than our other 40 oz bottles, this lightweight stainless steel insulated water bottle is made for hiking and backpacking.

- The wide opening lets you add ice, and the large 40 oz volume holds h ours of hydration.

- Lightweight hydration to keep you going

- 20 percent lighter than our other 40 oz Wide Mouth bottles

- TempShield double-wall vacuum insulation keeps drinks cold up to 24 h ours, hot up to 12

- Made with 18/8 pro-grade stainless steel for durability

- Pure taste and no flavor transfer

- Flexible perforated strap and aluminum pivots to minimize weight

- Leakproof when closed

- Bottle fits most backcountry water filters,BPA-Free