The Alna Construction Pant 2.0 Class 1 utilizes stretch fabric and heat transfer reflectives to give the wearer a better fit and high visibility making sure you stay safe and comfortable throughout the working day. :EN ISO 20471:2013 Class 1 2-way stretch fabric Cordura® hanging pockets with double lined bottom and nylon webbing for durability Broad center back belt loop for extra stability and strength Gusset in crotch for freedom of movement Plastic covered metal buttons Thigh pocket with fastener closure and several compartments ID card loop Ruler pocket in Cordura® reinforcement fabric Cordura® fabric reinforcement on knees and bottom hem Articulated knees for optimal mobility Knee Pad pockets accessible from the inside Knee Pad position can be adjusted by 5cm for optimal mobility Possibility to increase leg length by 5cm