Hanes Boys X-TEMP Boxer Briefs Comfort Flex Waistband 3-Pack 60% cotton/40% polyester jersey 60% cotton/40% polyester jersey Moisture wicking performance cotton blend for cool; dry comfort. Shrinks less than cotton and retains shape. Tag-free for itch-free comfort. Soft; stretchable Comfort Flex waistband moves with you and keeps its shape wash after wash.