Camelbak Vista 32 M/L 100 oz Hydration Pack, Poppy Red/Tango Red N.V.I.S. back panel provides venting, suspension and easy access to your Antidote reservoir compartment while keeping a stable center of gravity Women's specific harness with Air Mesh and Velvetex for a comfortable fit Dynamic Suspension Shoulder Harness. Load bearing waist belt Stash pocket on waist belt for access to snacks and essentials on the move.