For unparalleled peace of mind and retention for backcountry freeriding, the Marker Duke EPF Ski Binding is the go to. The Marker Duke has continued to dominate the backcountry, sidecountry, and inbounds basically everywhere you can take a ski! With a wide Extended Power Frame chassis and a max DIN of 16, the Duke is ready to drive the biggest and burliest skis without coming up short. If you can only have one pair of skis or want a rugged binding to crush backcountry and sidecountry hucks, grab the Duke. The sliding AFD can accommodate both Alpine and AT lugged boots, so there's no need to worry about compatibility. The Marker Duke EPF Large Ski Bindings accommodate 305 365mm boot sole lengths.