Liquid Force Exo Suction Boot Liquid Force have taken a great design, and made it better. It's easier to get into, and more comfortable. Don't let the more user friendly features fool you, though… this Exo is now more than ever a force to be reckoned with.Features:Shaping and assembling modification for more comfort and ease of entry - Softer, more flexible overlay that is now assembled to curve more naturally around the riders foot. Tri-density EVA/Neo/Lycra heel and toe piece - EVA for support, Neo/Lycra for unmatched comfort against skin. Glass composite plate w/ molded in aluminum inserts - Go ahead… try to bend them. Canted footbed - The knee doctor may hate us, but your insurance company will love us.