Meet our Essentials Collection, made with our proprietary blend of natural fibers plus the ideal amount of BPA-free spandex for stay-put comfort all day long. With the power of supersoft (never itchy) alpaca fiber built right in, this breathable men's boxer brief keeps things dry and odorless. And with the ability to stretch but always keep its shape, this pair is unlike any you’ve worn before. Let the lightweight blend of Royal Alpaca, Organic Pima Cotton and Tencel™ derived from eucalyptus do the work for you, and you'll forget this sustainable boxer brief is even there.