Built with high performance materials, Aluminum 7075, makes the base of the SOK hardboot splitboardbinding solid and light. The SOK binding has a base specifically developed for hard boots A shaped thread is placed on the heel while in the front a lever closes onto the boot. Fits boot sizes from 270 mm to 330 mm. Sold complete with mountings, bindings compatible with standard voile insert patterns. Double level heel risers, heights (50 mm and 65 mm). Can be used as is for hiking. Weight of one binding is 490 g.