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 Hydro Flask 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
