The CamelBak Delaney™ Belt is the Ultra and trail runner's best friend. Complete with a 21 oz. Camelbak® Podium® Chill bottle and convenient, zippered storage pocket for small necessities. The 3D Vent mesh throughout this belt provides optimal breathability and comfort. Features a Podium® Chill bottle holds 21 oz. Built-in pouch designed to carry nutrition items and other necessities. Adjustable waist buckle for easy, personalized fit. Features reflective accents for greater visibility in low light.