Oakley Gain Ground Jacket 100% Polyester Translucent Hydrofree fabric displays printed mesh lining that together repels rain and keeps you ventilated. A multi-panel scuba hood that zips up to the chin provides additional protection, and moisture-management technology wicks sweat away from your skin so you stay comfortable. Reflective logos deliver visibility and athletic style to this performance layer. O Hydrolix technology manages moisture, providing comfort and keeping you dry. Hydrofree fabric repels water to keep you dry and comfortable.