We constructed our bestselling boxers from ultra-soft 100% cotton poplin and added our signature back panel that contours to your shape for the ultimate in underwear comfort. Machine wash according to care instructions for best results. Imported.100% CottonMachine Wash according to care instructions for best resultsImported | Brooks Brothers Men's Cotton Poplin Holiday Fleece Boxers | Dark Green | Size Medium - Shop Holiday Gifts and Styles