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Hydro Flask
21oz Standard Mouth Trail Lightweight Flex Cap Water Bottle

4.7 out of 5 stars
70 Reviews



Why We Like The 21oz Lightweight Trail Series Bottle

Delivering the same cold beverages we've come to expect from Hydro Flask while dropping a portion of weight compared to similar models, the Lightweight Trail Series bottle was designed for the long-haul. Though the walls are thinner and lighter than ever before, the pro-grade stainless steel material ensures a super sturdy design for rugged adventures while the leakproof cap uses aluminum pivots and a perforated strap for extra weight cut.


  • Lightweight wide mouth water bottle for any adventure
  • Stainless steel walls reduce overall weight
  • TempShield insulation maintains temperature and stops condensation
  • Flex cap offers leakproof seal with easy-grab handle
  • Item #HYFZ02R
18/8 pro-grade stainless steel
wide mouth
Recommended Use
backpacking, casual, commuting, hiking
Manufacturer Warranty