The Fischer Twin Skin Sport IFP / Tour Step-In IFP adult waxless cross-country skis are intended for begginers skiers. The Twin Skin strips are arranged in slightly offset positions resulting in consistent and efficient grip for harmonious gliding. Those cross-country skis are designed to work well in a range of snow conditions and excel in hard and glazed tracks. Which size of skis to choose? Look for the relevant ski length in the Recommendation Chart. You are stuck between 2 ski sizes? In-store sales assistants can help you to make the right choice.