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From mountain trails to morning yoga classes, the Hydro Flask Standard Mouth Insulated Sport Cap makes all your adventures better. It’s the first insulated sport cap specifically designed to keep the ice water in your Hydro Flask bottle cold, sip after sip - or showing off your warrior pose in the gym.
- Features:
Compatible with all Standard Mouth bottles - Insulation helps keep cold drinks cold up to 24 hours
- Quiet “no whistle” valve
- Increased flow rate
- Soft silicone spout
- BPA-Free and Phthalate-Free
- Vendor Lifetime Warranty
