The Power Torque technology found in the Zero Restriction Men's Power Torque Half-Sleeve Jacket is a revolutionary design system that provides comfort by using different fabrics in specific locations in the garment. The materials combine to increase flexibility and fit exactly where you need it most. All the while, superior waterproof qualities are upheld. Additional features: All seams are sealed Power Torque Design System YKK Aquaguard waterproof zippers One-hand draw cord Adjustable hook-and-loop cuffs Anti-chafe chin guard Full interior wind flap