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  • Innovative collapsible bottle is perfect for any on-the-go activity; store it in a jacket pocket or backpack pocket, or just carry it in your hand with the soft finger loop
  • Hydrapak SoftFlask 350 Outdoor Collapsible Bottle features a bite valve for no-drip use when you're on the move


View all Hydrapak Running Water Bottles

REI membership


Best Use Running
Liquid Capacity (L) 0.35 liters
Liquid Capacity (fl. oz.) 11.8 fluid ounces
Dimensions 3.5 x 7.75 inches
Fits In Cup Holder Yes
Water Bottle Material Soft Plastic
Material(s) Thermoplastic urethane
BPA Free Yes
Bottle Opening Narrow
Water Bottle Cap Type Bite Valve
Collapsible Yes
Weight 1.8 ounces