The Rossignol R Skin Delta Sport is an excellent option for intermediate to advanced level cross country skiers looking for a performance filled xc ski. The lightweight core brings natural liveliness for better strides and more natural movement has you trek across the tracks. A mohair insert is provided for better gliding as well as effortless set up to get you on the groomed tracks faster. Feel the torsional rigidity coming for the Activ Cap which is an extender cap with a diagonal fiberglass for better control and steering. Make strides above the rest with the R Skin Delta Sport from Rossignol. LDC Core- Lightweight core for better feel., R Skin Tech- Features a replaceable mohair insert for maximum glide., Activ Cap- Multi directional fiberglass for better torsional rigidity., Recommended Bindings:- Race Classic, 189cm- 100-125 lbs., 196cm- 120-150 lbs., 201cm- 145-175 lbs., Core Name: LDC Core, Warranty: One Year, XC Ski Best Use: Groomed, Non NIS Skis: Yes, Waxless Base: Yes, Metal Edges: No, Ski Dimensions: 41/44/44, Ski Gear Intended Use: Cross Country, Shape: Side Cut, Skill Range: Intermediate - Advanced, Model Year: 2022, Product ID: 914870, Shipping Restriction: This item is not available for shipment outside of the United States., Model Number: RHKCW05.189, GTIN: 3607683929016