Thermo boots made of natural rubber with extra reinforcement at the front. Designed with wool lining and removable thermal insoles. Made in 100% natural rubber with a 50% wool and 50% polyester padding. Technical details: Water-repellent, Wind-resistant

Size guide: 

21: 14.2 cm.   22: 14.7 cm.   23: 15.5 cm.   24: 16.2 cm.   25: 16.7 cm.   26: 17.4 cm.

27: 18.2 cm.   28: 18.8 cm.   29: 19.5 cm.   30: 20.1 cm.   31: 20.8 cm.   32: 21.5 cm.