Streamline your storage with the On Ultra Belt 2L. Made for the trail, this sleek running belt features a fully vented construction to keep you dry and cool while carrying your trail essentials. Targeted padding alleviates pressured areas on your body, providing comfort when needed. Hydrate on the go with a 500ml Hydrapak Soft Flask that easily packs away in a rear pocket and stores other essentials on the sides and front. Store away your running poles with dedicated bungee cords and stay visible with reflective elements on the belt.