Burnout fabric is put through an extensive process to create a sheer, vintage look. No two shirts are exactly alike. Light as air. Burnout fabric is put through an extensive process to create a sheer, vintage look. No two shirts are exactly alike. Sizes range from small to three extra large. Cold wash and hang dry is recommended. Unisex Sixes:S 90-110; M 110-125 lbs; L125-150; XL 150-180; XXL180-210; XXXL 210-250; 4XL 250-285