Black Diamond Distance 4 Hydration Vest Slings & Runners amplifying your effort for up

amplifying your effort for up to five hours of trail time

no shaking or kneading required

LINER: My CustomFit 3D seamless perf

Two adjustable straps with pin buckles

Black Diamond Distance 4 Hydration Vest Slings & Runners amplifying your effort for upWhether 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