BIOM® NATURAL MOTION® technology for a snug fit, along with stability and forward momentum for power during the swing. PHORENE™ midsole - made with ECCO FLUIDFORM™DirectComfort Technology - is soft, light and provides bounce and energy return. FTS 3.0 receptacles with Pivix spikes are combined with additional grooves on the outsole for superb traction and stability. The BOA® Fit System delivers a micro-adjustable precision fit engineered to perform in any conditions. Removable and washable Ortholite® insole supplies long-term cushioning.