Mephisto Men's Charles Oxford Synthetic Imported Lug Sole sole Soft-Air Technology and Removeable insole Provide Comfort. The SOFT-AIR midsole is flexible and soft, reduces the shock from walking, protecting your feet, joints and vertebrae. Protection for your feet, joints and vertebrae. Made In Europe Removeable Insole Handmade by master shoemakers You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!