evo.com | Full Tilt Ski Boot Parts > Crack your sole? The Full Tilt Active Boot Board replaces that hard piece of plastic under your liner that makes the hard plastic feel less like plastic. Compatible with Full Tilt Original (FTO) and Soul (FTS) Shells, these boot boards come as a pair. Compatible with Full Tilt Original (FTO) and Soul (FTS) Shells Comes as a Pair | Full Tilt Active Boot Board - 342mm | Plastic