Pinnacle Handheld Soft Flask Insulated 18oz
The Nathan Pinnacle 18oz Insulated Soft Flask keeps your hydration cold 38% longer than a standard flask, thanks to its insulated construction. Designed to fit all Nathan vests and most vest pockets, it features a bite valve that seals tight between sips for mess-free running.
The wide-mouth opening makes this flask easy to fill and clean after every run.
Key Features
- Insulation keeps liquids cold 38% longer
- Bite valve seals between sips
- Compatible with all Nathan hydration vests
- Flexible soft flask compresses as you drink
- BPA-free materials throughout
Shipping
Free shipping on orders over $100. Orders are typically processed, packed, and handed off to the shipping carrier within one business day. We ship anywhere in the U.S.
Returns & Exchanges
We offer a 30-day return and exchange policy. Items in new condition are eligible for a refund. Footwear showing signs of wear is eligible for store credit or exchange.
Final Sale
Items marked final sale are not eligible for return or exchange.