Material Nylon fabric Comfort/ Features 4 outer pockets 3 thigh pockets 2 Airvent on the thigh HPA system (Held protector adjustment) in the knee Safety Certified according to EN 17092, protective clothing for motorcyclists Height-adjustable D3O® Ghost protectors on the knee, certified according to EN 1621-1:2012, Level 1 Hip protectors, certified according to EN 1621-1:2012 How does D3O® material work? D3O® is a patented material with intelligent molecules. It flows with you as you move, but locks together on impact to absorb energy & protect you. This unique, innovative component provides optimal freedom of movement & surpasses standards. D3O® back protection is low profiled, lightweight, flexible & soft. D3O® protectors allow for complete freedom of movement & mold to your body, so you will not even feel like you are wearing a back protector.