Nathan Pinnacle 14oz Soft Flask Insulated Handheld – Electric Blue/Reflective SilverWhether you're running the trails around South Haven or logging miles along the lakeshore, staying hydrated without slowing down is non-negotiable. The Nathan Pinnacle 14oz Soft Flask Insulated Handheld is engineered for runners and trail athletes who demand hands-free hydration that actually works. Lightweight, packable, and designed to disappear into your grip — this is the flask built for the long run.Key Features 14oz / 414mL BPA-free Nathan x Hydrapak soft flask with bite valve for on-the-go drinking ExoSpine interior keeps the flask structured when full to prevent collapse and slosh Insulated construction keeps drinks cooler longer on warm-weather runs Ergonomic hand strap delivers a grip-free fit that disappears into your hand Breathable wicking mesh keeps your palm cool during long efforts Expandable stash pocket fits gels, keys, cards, and small essentials Reflective Silver accents for low-light and early morning visibility Electric Blue colorway — easy to spot in gear bags and drop zones Compatible with most standard soft flask replacement bite valves Performance DetailsThe Pinnacle collapses as you drink, reducing slosh and keeping your stride smooth. The ExoSpine™ interior structure means it won't crumple when full or create that annoying gurgling that throws off your rhythm. The insulation layer adds just enough thermal protection to keep your drink refreshing through the back half of a summer run — without adding bulk.Who It's ForThis flask is ideal for road and trail runners doing anything from a tempo 5K to a half marathon distance. If you prefer carrying your hydration in hand rather than on your back or waist, the Pinnacle's ergonomic strap makes it feel like part of your hand rather than gear you're hauling. Also great for hikers, obstacle racers, and anyone who wants to move fast and light.Frequently Asked QuestionsHow does the soft flask stay structured when full?Nathan's proprietary ExoSpine™ interior keeps the flask rigid when filled, so it won't collapse in your hand or create slosh. As you drink, it compresses naturally and quietly.Is the 14oz size enough for a long run?For runs up to about 60–75 minutes, 14oz is typically sufficient. Many runners carry two handhelds or pair with a vest for longer efforts. It's also a great supplement to a hydration vest for races with infrequent aid stations.Can I use this flask without the hand strap?The flask itself is standalone and can be used without the strap, but the ergonomic strap is what makes it a true handheld — it takes the squeeze effort out of holding the bottle so your hand stays relaxed.Does it fit in a vest flask pocket?Yes — 14oz soft flasks are a standard size and fit most hydration vest front pockets (Nathan, Salomon, Osprey, etc.).Is this available in other colors?Yes, we also carry the Nathan Pinnacle 14oz in Indigo/Reflective Silver. Check our full running accessories collection for current color availability.Shop Running Gear at The Shoe CollectiveWe carry a full range of running accessories and running shoes at The Shoe Collective in South Haven, Michigan. Stop in to try on gear, get a gait analysis, or grab your next race-day essentials. Questions? Give us a call or visit us in store.
