I/O Bio Men's Contact Boxer Brief,Steel,Large 96% merino/ 4% Elastane Imported 96% Merino Wool; 4% Elastine^I/O's advanced yarn technology creates the softest, itch free, merino wool available^High quality, tall waist band for keeping your boxers in just the right position^Loose fit with gusseted crotch^Fiji Lightweight merino wool boxer brief with fly^Next-to-skin fit for layering under your gear^Fabric 160g weight 96% natural merino wool, 4% elastene (4-way stretch)^Flat seam stitching with comfortable elastic waitband