Double click image to zoom in
Our on-line store is open 24/7 and we ship Monday through Friday, excluding some holidays. Orders received for products without shipping restrictions on its product page will ship the same business day when received before 12:00 p.m. PST. Orders in high demand will have an estimated production time listed on its product page and will ship according to the date listed.
Hydrating in the USA! Show off your patriotic pride with the Hydro Flask® USA 21-oz. Standard-Mouth Bottle with Flex Cap. Sized for carry versatility, this limited-edition bottle crafted from 18/8 professional-grade stainless steel delivers go-anywhere durability––ideal for camping and other outdoor adventures. A shock-absorbing silicone bottle boot protects against bumps and dings. TempShield™ insulation keeps beverages cold for 24 hours, and hot for up to 12. Hydro Flask USA 21-oz. standard-mouth features BPA-free and phthalate-free construction and is dishwasher safe for easy cleaning. Manufacturer's lifetime warranty. 1.91" dia. x 9.4"H. Weight: 11.3 oz.Manufacturer model #: USAS21SX111. Limited-edition patriotic USA design Sized for carry versatility 18/8 professional-grade stainless steel delivers Go-anywhere durability Shock-absorbing silicone bottle boot protects against bumps and dings TempShield insulation keeps beverages cold for 24 hours Keeps beverages hot for up to 12 Fits most backcountry water filters BPA-free and phthalate-free construction Dishwasher safe for easy cleaning Manufacturer's lifetime warranty.
We are a Seattle, WA based outdoor gear store with a mission to make climbing, backpacking, skiing & mountaineering accessible and enjoyable for everyone.
© 2026, Master Store
