Introducing the first insulated Sport Cap designed specifically for your Hydro Flask, perfect for one-handed refreshment on the go.
- insulated for enhanced temperature protection
- unique ergonomic design and superior flow rate
- soft silicone spout with a quiet, “no-whistle” valve
- BPA-Free and Phthalates-Free
- Lifetime Warranty
Works with all the Standard Mouth Hydro Flasks.