Here's what other sites are saying:
Hydro Flask Camp & Hike Standard Mouth Insulated Sport Cap SMSC. Refresh. Go. Introducing the first insulated Sport Cap designed specifically for your Hydro Flask. Unique ergonomic design and superior flow rate make this cap perfect for one-handed refreshment on the go.
Say hello to the insulated Sports Cap, designed to fit standard-mouth Hydro Flask bottles.
With an innovative, ergonomic design, the Hydro Flask Insulated Sport Cap makes staying hydrated a breeze. Feel free to drink one-handed when you're on the go and remove the spout later for easy cleaning.
Keep the cold and warmth flowing longer, without having to unscrew a cap every time you sip in Hydro Flask's Insulated Sports Cap. PRODUCT FEATURES: Unique internal valve eliminates whistling sounds Easy to drink from and allows for 1-handed open and close Removable spout for easy cleaning Made from BPA-free polypropylene #5
- Appalachian Outdoors
Sip. Refresh. Go. 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.
- Hydro Flask
Where to Buy
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Hydro Flask Standard Mouth Flex Cap
Hydro Flask Standard Mouth Loop Cap
$23 - $29
Hydro Flask Narrow Mouth Loop Cap
Guyot Designs SplashGuard
Platypus Bite Valve Cover
$3 - $5
Nalgene Insulated Water Bottle Sleeve
$9 - $16