| Product Review: Serious cold weather hikers will enjoy performance far above leather with the Koflach Degre. Its dual-density polyurethane construction provides similar longitudinal flex to leather but the lower is torsionally stiffer for a superb connection to crampons.U.K. sizing Y-Technology dual density polyurethane construction is softer on the top for easy mobility and harder on the bottom for solid stability with step-in crampons. The plastic construction results in maintenance-free waterproofing and is more durable and lighter than leather boots. A heat formable liner results in a custom fit for the ultimate in sensitivity and comfort. Its Vibram rubber sole reduces shock to the shell and body joints while providing additional grip on rock. Steel ball lacing. These boots are sized on the U.K. scale. | 
