Plug LVPLUG liners will stiffen up the flex of most low volume shells. An appropriate choice for advanced to intermediate level skiers and riders. A thin, stiff, low volume, wrap style liner with an additional cuff wrap reinforcement for increased stiffness. The Plug is a low volume liner and works best with a shell fit* of 1 finger (1 2) or less Size up on the half size (ex.: 27. 5 = 28) For best results we recommend having these liners heat molded at a