6XL Knit Boxer, big men's underwear, 6X big men's boxers, 100% cotton boxers (heather grey is 85% cotton 15% rayon). Button fly. 6XL fits 62"-64" waist (157-163 cm). Pre-washed fabric. Combed cotton. Lots of stretch in the waist with room. Buy 3 or more and save more (mix and match colors, automatic discounts) Limited supplies so don't wait!