Insulated, flexible, and built to last.
Bike rides along the beach or on your daily grind — it's easy to stay hydrated on the go with our Wide Mouth Flex Cap. Designed with stainless steel pivots and a flexible strap, this cap moves when you do. Plus, it’s made with Honeycomb Insulation™ to keep drinks cold up to 24 hours or hot up to 12 — no matter what the weather’s doing outside.
Product benefits
- Fits all Hydro Flask Wide Mouth Bottles
- Honeycomb Insulation™ helps keep cold drinks cold and hot drinks hot
- BPA-Free and Toxin-Free
- Lifetime Warranty