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Hydro Flask Standard Mouth Insulated Sport Cap Accessory

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Color: Black

From mountain trails to morning yoga class, our Standard Mouth Insulated Sport Cap lets you hydrate one-handed and on the fly. It’s the first insulated sport cap specifically designed to keep water in your Hydro Flask bottle ice cold, sip after sip.

• Compatible with all Standard Mouth bottles
• Insulated for enhanced temperature protection
• Quiet, ""no whistle"" valve
• BPA-Free and Phthalate-Free
• Sport Cap is not intended for use with hot liquids and is not leakproof
• Lifetime Warranty