Designed with BIOM NATURAL MOTION technology, the Biom Tour BOA delivers a snug, stable fit that powers your every swing. The soft, lightweight PHORENE midsole provides bounce and energy return, while the X-TENSA INVISIBLE TECHNOLOGY enhances stability. And with the micro-adjustable BOA Fit System and FTS 3.0 receptacles with Pivix spikes, you’ll enjoy a precision fit and unbeatable traction.