Ultimate Direction Ultra Vest 4.0 (Signature Blue) spring collars Air channel allows you to

Air channel allows you to speak and breathe easily

Bottom layer is made with recycled rubber granules

Choose between left and right

The wrist support also prevents pain from wrist injuries

The Silicone Grips are designed to improve grip and provide comfort to wrist and forearm

Ultimate Direction Ultra Vest 4.0 (Signature Blue) spring collars Air channel allows you toThe best selling running vest in the world is now lighter and more comfortable. Features New Comfort Cinch technology provides a custom fit with easy on the go adjustment 4 way stretch material with dissolved thread stretches to fit more and is lighter than ever Redesigned trekking pole holder minimizes bounce and snaps out of the way when not in use Lightweight T Hook adjustable sternum straps Bottle holsters tighten to carry phone or camera Phone