Nestle your feet in complete creature comfort with soothing warmth and the aroma of the natural, relaxing plant herbs of peppermint and lavender flowers. Heat therapy may soothe sore, tired feet, arthritic pain and provide welcome relief from long hours on your feet. Cold therapy helps reduce swelling and can cool you on hot summer days. Treat your feet to the loving attention they deserve! S-M fits women up to size 8 1/2 and men to size 7.