Helly Hansen Workwear Alna 2.0 Construction Pant Class 1The 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. Features: 2 way stretch fabric Articulated knees for optimal mobility Broad center back belt loop for extra stability and strength Cordura fabric reinforcement on knees and bottom hem Cordura hanging pockets with double lined bottom and