- Wear the Icebreaker® Anatomica Boxers w/ Fly and stay comfortable all-day. They offer enhanced support for everyday and physical activities. - Stretchy slim fit. - Merino Corespun construction regulates body temperature and resists odor offering enhanced comfort. - Elasticized waistband with branding detail. - Contoured pouch with functional fly offers support. - Flatlock seam construction prevents friction. - Pull-on style. - Certified by Responsible Wool Standard. - 83% merino wool, 12% nylon, 5% Lycra® - Machine wash, line dry. - Imported. - If you're not fully satisfied with your purchase, you are welcome to return any unworn, unwashed items in the original packaging with tags and if applicable, the protective adhesive strip intact. Note: Briefs, swimsuits and bikini bottoms should be tried on over underwear, without removing the protective adhesive strip. Returns that fail to adhere to these guidelines may be rejected.