40 oz lightweight wide mouth tourmaline feed-gpc-6073 Ethically Sourced Materials: The RDS

Ethically Sourced Materials: The RDS certifies down against animal welfare requirements and tracks it from the source to the final product

Non-freestanding tunnel style tent is optimised for maximum weight savings

an integrated pocket for a hydration system and two lateral reflectors for visibility in low light or bad weather

and a handy flipper utensil nestles into the handle

40 oz lightweight wide mouth tourmaline feed-gpc-6073 Ethically Sourced Materials: The RDSLight but mighty flask to keep drinks cool on the trail Generously sized for your longer pursuits, the 40 oz Lightweight Trail Series bottle is 25% lighter than Hydro Flask's other 40 oz bottles thanks to an innovative stainless steel design. Engineered to deliver the same cold refreshment you expect from Hydro Flask but without the weight, the Trail Series makes it easy to take your cold hydration as far as your spirit of adventure takes you.