Woolx X301 Mens X-Lite Boxer Briefs - Black 100% Merino Wool Imported No shrinkage, machine washable and dryable (turn inside out) 100% Australian Merino Wool - 17.5 micron - 170g/m2 jersey construction Inseam gusset for perfect fit, double panel fly, contoured back rise, flat lock seams Superior wicking, no odor, anti-microbial, super soft Weight of garment, size large, 3.2oz (90 grams)