REI Co-op Hydro Flask Peace Sun Standard-Mouth Water Bottle with Flex Cap – 21 fl. oz.
Spread peace and sunshine with the 21 fl. oz. REI Co-op Hydro Flask Peace Sun standard-mouth water bottle. It’ll keep your favorite beverage hot or cold for hours and is sized for a pack pocket.
TempShield™ double-wall vacuum insulation keeps contents hot or cold for hours
The inside temperature won’t affect the outside temperature of the container—that means no burned fingers from hot beverages or condensation from ice-cold drinks
Tough, food-grade 18/8 stainless steel is BPA free and resistant to bacteria and odors
Standard-mouth opening is 1.91 in. in diameter, making it easy to fill the bottle with coffee, tea or sports drinks
Narrow design is easy to hold and fits in most car, bike and stroller cup holders and water bottle cages
Covered by the Hydro Flask Lifetime Warranty
■ Technical specs
Liquid Capacity (L)
Liquid Capacity (fl. oz.)
21 fluid ounces
2.9 x 9.4 inches
Fits In Cup Holder
Water Bottle Material