Big Zip EVO Color:One Color the THROWBAK Hat features unstructured

the THROWBAK Hat features unstructured front panels that break in for a truly custom fit

Precision flame control goes from torch to simmer

Shoulder Straps and adjustable torso length offers a fine-tuned fit and an injection-molded backpanel delivers breathable

AERO KNIT construction creates micro air pockets to keep you warmer without adding weight while superfine Merino is softer on your skin

Big Zip EVO Color:One Color the THROWBAK Hat features unstructuredIntroducing the Big Zip EVO the latest evolution in taste free hydration. The Big Zip EVO delivers a significantly higher flow rate than previous Platypus reservoirs and a host of new features, making it a great option for backpackers, hikers, and mountain bikers. Available in 1. 5L, 2. 0L, 3. 0L and a Lumbar 2. 0L.