FREE Shipping on Apparel Orders Over $100

Hydro Flask Standard Mouth Insulated Sport Cap

Be the first to review this product

  • Compatible with all Standard Mouth bottles

  • Quiet, "no whistle" valve

  • BPA-Free and Phthalate-Free

Availability: In stock


Fast shipping.
Most orders ship same day.

Have questions?
Our marine experts will be happy to assist you in finding the best product for your needs.

Need to return a product?
Call us at 609-884-2711.

* Required Fields



From mountain trails to morning yoga classes, our Standard Mouth Insulated Sport Cap makes all your adventures better. It’s the first insulated sport cap specifically designed to keep the ice water in your Hydro Flask bottle cold, sip after sip. Plus, the unique design lets you hydrate one-handed, whether you’re checking out wild flowers in the wilderness or showing off your warrior pose in the gym.