Safety welding aprons made of medium weight 100% biodegradable natural bleached cotton drill/twill canvas, 200 gsm, The straps on this apron are slightly wider than our other styles. The folks who designed this felt wider neck straps would add to comfort. The neck straps have an adjustable buckle. That buckle is available in plastic and metal. Pockets can be add or removed as your choice. All colors and sizes are available.