Nathan Peak Hydration Waist Pack Men a sculpted Air Zoom unit

a sculpted Air Zoom unit and ReactX foam

lightweight O Matter™ frame material

the legacy lives on in our favorite short for women

It gets even better with a reflective Swoosh logo on the chest

Designed with a performance mesh sweatband

Nathan Peak Hydration Waist Pack Men a sculpted Air Zoom unitBuilt for runners who want single flask waist belt hydration with smart storage, the Peak Hydration Waist Pack features an angled, insulated holder that keeps your SpeedDraw flask close at hand with one handed access and a no bounce ride. Ideal for marathon training, road runs, and trail miles where you want hydration without a vest. An expandable zippered stretch pocket fits most large format smartphones, and an external shock cord adds extra