Hydro Flask 21oz Lightweight Standard Mouth Trail Series
Less weight. More backcountry.
Ridiculously light, and durable enough for any trail, the 21 ounce Standard Mouth Lightweight Trail Series™ bottle is 25% lighter than the 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 outdoor hydration filters
- Durable 18/8 Pro-Grade Stainless Steel construction
- TempShield™ insulation eliminates condensation and keeps beverages cold for up to 24 hours and hot for up to 12 hours
- Flexible perforated strap and aluminum pivots for added weight loss
- BPA-Free and Phthalate-Free