Frye Engineer 12R Shearling - Classic style meets modern technology in the 'Engineer 12R' boot. Hand-crafted construction for superior fit and comfort with authentic styling. Specially formulated insole provides cushioning and resists bacteria. Wellington vamp. Nickel hardware detail. Neoprene oil resistant sole and heel with full-length leather midsole for support and durability. Shearling lining. Oiled leather upper..