Kick start your trail adventures with on-the-go access to hydration.The ideal stepping stone in your hydration and trail running game on shorter distances, ACTIVE SKIN 4 NO FLASKS is easy to use, comfortably wearable, and modular.With soft, breathable fabrics and a snug secure fit, strategic chest pockets ensure your flasks stay accessible at all times.Designed for reliability and durability, flasks not included.BENEFITS:-Precision Fit:The snug Sensifit™ vest has been developed using soft fabrics and inner mesh for optimal comfort, with an adjustment system to keep your vest just where you want it.-Easy Access:Featuring two strategic chest pockets for quick, on-the-go hydration.Compatible with 500ml flasks and a 1.5 L bladder.-Optimized Storage:Everything you need within easy reach, with plenty of room and secure pockets.