Our classic 6" fitted boxer brief with fly features Feather-Seam™ construction, proprietary Butter Blend™, and an exposed elastic Core-flex™ waistband to ensure maximum comfort. • Our sustainably-sourced fiber innovation that delivers premium softness and unparalleled comfort. • 66% modal, 26% lyocell, 8% elastane • Feather-Seam™ Construction eliminates common irritations through a softer stitch. • Hidden Core-Flex™ Waistband works in secret to prevent unwanted rolling for incredible comfort. • Side-entry fly for easy access