Whether you&';re gearing up for race day or another long training run, this hydration vest will give ultra-runners and trail-enthusiasts the storage they need for a long day in the hills. Smaller and more speed-minded than the other packs in BD&';s Distance line, it still has lots of hydration storage and an over-the-shoulder trekking pole carry. Dedicated hydration vest for speed-minded trail runs Stretchy yet ultra-durable fabrics move with you as you run Removable trekking pole carry offers quick access to extra support Dual soft flasks are included for convenient hydration Bladder sleeve lets you pack along even more water for huge days BD.dry pocket protects your devices from precipitation Race-ready pocket is expandable to help you fit everything you need Secure pockets hold energy gels, keys, cards, and headlamps