Alpina Sports X Terrain Telemark and Backcountry Cross-Country Skis Wood core fiberglass cap construction for resilience and long life - single camber flex Full Length Metal Edges provide control 110mm-66mm-96mm side cut provides alpine ski like performance for backcountry descents Sollte non-wax positive grip base pattern for excellent grip Alpina Solution sizing system: Available in 150cm, 160cm, and 170cm