HYDRO FLASK 40 OZ LIGHTWEIGHT WIDE FLEX CAP TOURMALINELightweight hydration to keep you going20 percent lighter than other Hydro Flask 40 oz Wide Mouth bottles24 hours cold, 12 hours hotTempShield®️ double
-wall vacuum insulationLeakproof when closedPure taste, no flavor transferDurable stainless steelFlexible perforated strap and aluminum pivots to minimize weightBottle fits most backcountry water filtersBPA
-Free
Less Weight. More Miles.Built to go wherever the day takes you, our 40 oz Lightweight Wide Mouth Trail Series™ bottle provides a substantial amount of hydration. Thanks to an innovative stainless steel design it’s engineered to deliver the same cold refreshment you expect from Hydro Flask, but is 20% lighter than our other 40 oz bottles.