810028842205
The Hydro Flask 21 oz Lightweight Standard Mouth Trail Series is a drink flask for trail walking and hiking. This 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 our TempShield insulation in an innovative lightweight stainless steel design.
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SKU CODE - LW21LW