The Key To A Good Combi Binding Is The Right Level Of Flex - The Lightweight Atomic Prolink Pro Combi Has An Intermediate Flex Specially Designed To Perform In Both Disciplines, Classic And Skating. It Provides Exceptional Snow Feel And A Really Direct Connection Between Boot And Ski. It Also Has A Race Lever That Opens And Closes Automatically. And Like All Prolink 2-Rail Bindings It’S Compatible With All 2-Rail Boots Including Nnn® And Turnamic®. Perfect For Committed Skier Taking On Both Disciplines - And The Optimal Binding For The Pro Cs1 Ski.Feature:Tech Features:- Low Boot-Binding Interface- Prolink (2 Rails) Compatible To Nnn® And Turnamic®- Race Lever- 1-Axis- Low Boot-Binding Interface- Compact Engine- Full Contact Engine- Composite Guideridge