RJM Women's Pack of 1 Reindeer Design Warm Long Slipper Socks SK237 98% Acrylic Slip On closure Ladies RJM Warm Slipper Socks. 1 Pair Pack. Please Note: Package Shows UK Sizing, Please Be Aware That We Have Sent the Correct Corresponding USA Sizing. Grippy Soles Prevent Slipping & Sliding. Made From: 98% Acrylic, 2% Polyester.