Hydro Flask 21oz Standard Mouth Size:21oz Frame Fitting: Standard

Frame Fitting: Standard

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Adjustable plastic snap closure

Available with Prizm™ lenses that are designed to enhance colour

Hydro Flask 21oz Standard Mouth Size:21oz Frame Fitting: StandardHydration on the go. Stainless steel, cup holder compatible, fits right in your pack the reusable, refillable 21 oz Standard Mouth insulated water bottle keeps cold drinks cold for 24 hours, hot drinks hot for up to 12 hours, and holds enough hydration for hours of fun. TempShield double wall vacuum insulation keeps drinks cold up to 24 hours, hot up to 12 Flex Cap is leakproof when closed Honeycomb Insulated Cap for maximum temperature retention Made