Lupo Micro Modal Seamless Men's Boxer Brief Underwear 64% Modal, 33% Polyamide, 3% Elastane Imported Pull On closure Hand Wash Micro modal seamless men's boxer brief underwear offer great style Crafted for an incredibly soft texture Length for complete coverage Snug fit prevents ride up Lupo sizes, in inches, are XS (25-27), S (28 - 30), M (32-34), L (36-38), XL (40-42) and XXL (44-46)