The Unhinged Lacrosse Arm Pads includes a silicone gripper at the top of sleeve that keeps the pad from slipping during play; body-mapped, impact-absorbing SmartFlex technology. Stretch pads offer form-fitting and lightweight protection that is flexible during play and hardens on impact. Stretch is created to vent as it bends reducing unnecessary heat build up. Breathable compression sleeve provides a secure fit with zero bulk. Protection where defensemen need it!