Olang Monica is a cozy winter boot is crafted from quality Italian craftsmanship to deliver superior comfort and warmth. It features a side zipper for an easy on-and-off and a BREATHTEX waterproof membrane to ensure a dry fit. A lining enhanced with breathable insulating OLANTEX film and an ISOWARM insole made of 90% wool with insulating and reflective silver foil keep feet in warm cushioned comfort. A blend of wool, polyester and imitation fur enhances warmth and breathability while a mid-sole guarantees impact and compression resistance. An Italian sole is reinforced at the bottom of the rod for heel and toes. It features 16 stainless steel spikes, built-in swiveling and folding OC System® with flow channel to deliver secure non-slip grip and traction. Upper material: Polyamide and polyurethane with padded padding upper Lining material: Wool lining and OLANTEX breathable insulating film Heel Height: Approx. 2 inches / 5.08 cm Shaft Height: 7.75 inches / 19.68 cm Circumference: 19.5 inches / 49.53 cm Temperature rated up to -30°C.