PULSE naked Athletic Boxer Briefs 96.1% New Zealand Merino wool/3.9% Spandex Made in USA and Imported Ultrafine, Zque accredited, New Zealand Merino wool for the ultimate in softness and sustainability - Lightweight 160 g/m2 Designed and made in the USA for top quality American fit, workmanship, and durability Support-cradle crotch to keep everything in place and deliver the support you need Unique, minimal seam design for maximum comfort Flatlock seams throughout and interior tagless labels to minimize skin irritation