Bombas The Gripper Slipper With a pair of Bombas Gripper Slippers, your feet will stay comfortable and warm. Bombas socks are made from durable materials for long-lasting and versatile use. The combination of stretch and soft materials make the Gripper Slipper a great option. Slipper Tech: cozy interior lining, stay-put grips, folds flat. Machine washable. Bombas Mens size Medium (fits shoes sizes 7 - 9.5) NOTE: Some reviewers say that these may run slightly large NWT Non - smoking home