This Italian designed and manufactured winter boot features an adjustable lace closure with rugged metal eyelets for a secure fit. A BREATHTEX waterproof membrane ensures a dry wear while the lining is enhanced with a breathable insulating OLANTEX film. An ISOWARM insole made of 90% wool with insulating and reflective silver foil enhances warmth and provides cushioned comfort while a mid-sole guarantees impact and compression resistance for an optimal stride. An Italian sole features16 stainless steel spikes, built-in swiveling and folding OC System® with flow channel delivers secure non-slip grip and traction. Heel Height: approximately 2 inches. Shaft Height: 5.5 inches. Circumference: 21 inches. Comfort zone up to -30°C.