Developed from the Ultra Tacks design, the new Super Tacks offers the same fit and level of protection. With improvements across the line and more D30 Smart Material to enchance the level of protection. It'S taking the Tacks line to the next level. JDP Cap reinforced with D30 Smart Material Floating bicep for great fit and coverage E-Fit Sleeve for easy slip on and easy fit Single Strap adjustment system for improved fit and adjustment