Rossignol X-1 XC Ski Boots. The new X1 is an easy-to-use, entry-level touring boot for beginning recreational skiers with a simple lace-up design to allow quick, easy entry and exit. Features: Weight: 1000g(42) Sizes: 35-52 Heel: PVC Cuff: PVC Lining: Polyester Lacing: Laces Sole: T4 Mono Fit: Touring