Sip. 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.
Works with any of our Standard Mouth products
- Insulated for enhanced temperature protection
- Quiet, “no-whistle” valve
- Increased flow rate
- Soft silicone spout
- BPA-Free and Phthalates-Free
- Lifetime Warranty