Heat Holders women's Thermal Gripper Slipper Socks Size 5-9 US Violet The massive tog rating of 2.34, these seriously chunky slipper socks are made with a specifically developed extra heavy bulk yarn Superwarm and thermal - Ladies size 5-9 us Non slip soles - Available in 4 colours and two sizes See my Amazon shop for other options for women and kids A superb gift!