Trail Shoes are sized in UK sizing These snow joggers have an E.V.A rubber sole and inner synthetic acrylic lining making them both warm, safe and effective! They have an extremely grippy sole to ensure you stay upright at the snow and are completely snow proof. Although you must be sure to spray them with Blizzard Waterproofing spray to ensure they are both waterproof and snowproof. *Click here to view waterproof spray Adult Snow Joggers