HYDRO FLASK 40 OZ LIGHTWEIGHT WIDE FLEX CAP TOURMALINE Lightweight hydration to keep you going 20 percent lighter than other Hydro Flask 40 oz Wide Mouth bottles 24 hours cold, 12 hours hot TempShield®️ double
-wall vacuum insulation Leakproof when closed Pure taste, no flavor transfer Durable stainless steel Flexible perforated strap and aluminum pivots to minimize weight Bottle fits most backcountry water filters BPA
-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.