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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.
The Hydro Flask Flex Boot is perfect for extra protection against drops and dings as well as a way to customize. The Medium fits 32 40 oz. wide mouth Hydro Flask Bottles and the Small fits 12 24 oz. Standard Mouth Bottles.
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
