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.
Please note: This lid is not leak proof
Making a difference
- Reusable
- Reduce landfill from single-use plastic water bottles
- Plastic-free
- Non-toxic
Features
- Compatible with all Standard Mouth bottles
- Insulated for enhanced temperature protection
- Quiet, “no whistle” valve
- BPA-Free and Phthalate-Free
About
Founded in 2009 in Bend, Oregon, Hydro Flask is the award-winning leader in high-performance insulated products. Inspiring an active and joyful life on the go, Hydro Flask innovations showcase TempShield double-wall vacuum insulation to lock in temperature, 18/8 stainless steel ensuring pure taste, durability and ergonomic design.