The Angulus winter thermal boot with wool lining features excellent support and comfort. The bottom of the boot is a sturdy rubber boot, while the polyester shaft makes the boot soft and flexible. The boot is lined with a soft wool blend - perfect for a cold day of cheerful play. The boot features a sporty logo strap at the back for easy on and off and the outsole is a non-slip rubber track sole. The boot is 100% PVC free. We recommend using the boot only when the temperature drops below 7 degrees.