Zilco Ice BootsWith correct use, these ice boots can aid in injury prevention, and significantly reduce swelling and soreness, to speed up the recovery process. Machine washable fleece lined boots, with removeable, reuseable inserts Inserts are "gel pillows", which maintain their flexibility when frozen, and can be reused multiple times Touch tape strap closures Instructions included Sold are a pair One size fits most. Note: Replacement inserts are also available