11.5-ounce 85% cotton / 14% polyester / 1% spandex denim - Rugged Flex durable stretch technology - Updated bib pocket style holds phone and electronics securely - Ledge pockets for knives and tools - Precisely sized chap front for maximum coverage protection and comfort - Bigger cleanout openings to draw fast and hold knee pads - Webbing slider on straps - Hammer loop now on the right side - Double back pockets to stop tool blowout - 360Adeg Kick panels for extra durability - Ruler pocket moved to left side to balance out the hammer loop -