Insulated, flexible, and built to last. Bike rides along the beach or snowshoeing in the backcountry — 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.
Insulated, flexible, and built to last. Bike rides along the beach or snowshoeing in the backcountry — 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.
Insulated, flexible, and built to last. Bike rides along the beach or snowshoeing in the backcountry — 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.
Insulated, flexible, and built to last. Bike rides along the beach or snowshoeing in the backcountry — 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.
Last updated at 06/23/2026 06:30:18
Hydro Flask - Flex Cap for Wide Mouth - Leakproof - Honeycomb Insulated Cap with Flex Strap for Easy Carrying - BPA-Free and Toxin-Free - Black
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Hydro Flask Wide Flex Cap
Free delivery
Hydro Flask Flex Lid [Colour:Black][Size:Wide]
Free delivery between Wed – Thu
Hydro Flask Wide Mouth Flex Cap
Delivery $40.84
Hydro Flask Wide Mouth Flex Cap Black - Water bottle accessories
Delivery $96.76
Hydro Flask Wide Mouth Flex Lid - Black
Hydro Flask Wide Flex Cap
Delivery between 29 June – 3 July $100.51
Hydro Flask Wide Mouth Flex Cap in Cobalt
Delivery $9.50
Hydro Flask Wide Mouth Flex Cap in Carnation
Delivery $9.50
Hydro Flask Wide Mouth Flex Cap Black
Delivery between 27 June – 2 July $7.50
| Application | Outdoor |
| Volume | 20 oz |
Hydro Flask - Flex Cap for Wide Mouth - Leakproof - Honeycomb Insulated Cap with Flex Strap for Easy Carrying - BPA-Free and Toxin-Free - Black
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Hydro Flask Wide Flex Cap
Free delivery
Hydro Flask Flex Lid [Colour:Black][Size:Wide]
Free delivery between Wed – Thu
Hydro Flask Wide Mouth Flex Cap
Delivery $40.84
Hydro Flask Wide Mouth Flex Cap Black - Water bottle accessories
Delivery $96.76
| Application | Outdoor |
| Volume | 20 oz |
