rossignol xc-1 xc ski boots mens sz 44 rossignol let the warmth and stability of the x1 cross-country ski boot guide your next ski day. the entry-level touring boot features a traditional lace-up design for easy on and off, while a touring-specific sole works with the binding for increased support as you kick and glide through winter. ski control, walkability. the sport sole features tech grip for comfortable walking and central insert cleats for maximum precision and control on the ski.lining: polyester. construction lower: pvc. lacing system: laces. lace cover: pvc. construction upper cuff: pvc. heel: pvc. sole: touring. weight: 920 g/pair (size 42).