These fuzzy feetwarmers are made of soft and insulating 76oz 100 polyester 85 recycled doublefaced Synchilla fleece the ankle cuffs feature an elasticized twosnap entry to secure the fit and a third layer of fleece that pads the soles for extra warmth Nylon facing reinforces the heel Grippy antiskid fabric helps prevent sideslips and spinouts Recyclable through the Common Threads Recycling Program