HI-VIS Insulated Pants, 4XL-5XL are perfect reflective safety pants as they have excellent performance when it comes to winter pants. Offering exactly what you need to stay warm and safe on the job. Its structure has Helly Tech Protection technology, which has its fabric made of 100% polyester and coated with PU and its lining made of 100% nylon and taped seams. This work pants also come with reflective strips for added safety, elastic waist with draw cord and cord lock, knee-length zipper with storm flap and fastening closure, and velcro adjustment at hem. In addition, it is waterproof and breathable and can be put in the washing machine.