Black Diamond Distance 4 Hydration Vest Firm Heat dispersing fins mounted in

Heat dispersing fins mounted in and around the light passively dissipate heat

The updated edition of the second volume for the Canadian Rockies brings together a new and inspiring collection of comfortable walks and spectacular hikes for visitors and locals looking for unique

Two zippered thigh pockets with key loop and phone sleeve for secure

side and back panels give structure and durability in the run ready

Sizes (head circumference): S/M 21

Black Diamond Distance 4 Hydration Vest Firm Heat dispersing fins mounted inEngineered for long distance races and fast paced adventures, the Gen 2 Distance 4 Hydration Vest has a running harness suspension made from stretchy, comfortable material that extends from the sides to the back panel with self bound stretch mesh edges for ultimate comfort on the move. An over the shoulder Z Pole carry system can be easily deployed on the go, while high stretch side panels extend from the harness itself for an improved fit while on