All-season lace-up boot MATERIAL Water- and eco-conscious Terracare® leather INSOLE Terracare® leather (fixed and non-removeable) ARCH None: the insole is flat. (Most inserts and orthotics are well-accommodated.) OUTSOLE Natural Italian crepe rubber. If ever the outsoles need repair, we offer replacement outsoles. FIT Medium-to-wide fit with a wide toe box that allows toes to splay naturally. Offered in European sizes, which are gender-neutral.