When you hit the dirt, the impact-sensing SixSixOne Evo D3O Knee Guards go into action and dutifully deflects the blow -- saving you from yet another pair of bloody socks.

• Innovative d3o is a flexible material that hardens when impacted by an external force, allowing excellent freedom of movement
  
• Dual straps and a full neoprene mesh sleeve keep guards in place
  
• Abrasion-resistant molded-KEVLAR front panel ensures durability
  
• Side pads support and protect delicate tendons