Hydro Flask Trail Hydration Standard Mouth 21oz/621ml Slate
Less weight. More backcountry.
Ridiculously light, and durable enough for any trail, our 21 ounce Standard Mouth Lightweight Trail Series™ bottle is 25% lighter than our other 21 ounce bottles and provides the best cold hydration experience for your longest adventures. The narrow Standard Mouth opening is ideal for quick sips on the trail, and the slim bottle profile stashes easily into a pack pocket. Engineered to deliver lasting cold refreshment with TempShield™ insulation in an innovative lightweight stainless steel design.
Ideal for lightweight hydration to keep you going further
Fits most backcountry hydration filters
Durable 18/8 Pro-Grade Stainless Steel construction
TempShield™ insulation eliminates condensation and keeps beverages cold up to 24 hours and hot up to 12 hours
Flexible perforated strap and aluminum pivots for added weight loss
BPA-Free and Phthalate-Free