The 5.5 pant provides ultimate comfort and protection for the first layer. A completely new fit with an anti-roll waistband system that locks into the rear yoke, meaning you won't get caught with your pants down! Full grain leather on the knees provides the ultimate in wear resistance as part of our multi-layered signature Internal Knee Brace System (IKS), which reduces wear and tear on knee pads with other materials in critical areas without compromising comfort and feel.