Our Eco Vero Boxer is our most innovative and sustainable style. The yarn is silky soft like silk. Features include: Flatlock stitching Friction free support panels We believe in materials from renewable sources. Eco Vero™ is derived from sustainably logged wood from certified and controlled sources. It has up to 50% lower emissions & water impact than generic viscose. Not only is Eco Vero™ a responsible choice, but it is also a textile meeting functional standards so that you can feel comfortable no matter activity and climate. All packaging is made from 100% recycled paper materials, and 100% recyclable.