FAY 2.0 Women's Winter Boots Size:6.5 Comfort zone down to 45CMen's 100096 Comfort zone down to 45CMen's size up to 164E width available in select stylesRetractable crampon combined with a non slip soleShell made of TPU100% premium leather100% extreme waterproof membrane linerLining: 50% Merino wool 50% polyesterWaterproof zipper with gusset400g Thinsulate insulationRemovable laminated polyurethane insoleAluminium felt weather stripping insoleReal rubber soleCrampon made of stainless steelPossible replacement cramponNew concept of patented cleated sole Adaptable to conditions: The system can be deployed for slippery conditions and then retracted for comfortable walking indoors Put your trust in the sleek yet sturdy 9 inch Fay 2 The signature Pajar Canada rubber sole will get you through icy streets in style while keeping you surefooted all the while