Breathable comfort and innovative performance blend with a modern sneaker-style aesthetic in ECCO Golf BIOM® C4, the next generation of BIOM® COOL PRO. For 360-degree breathability and 100% waterproofing, the GORE-TEX SURROUND® construction is combined with EXHAUST GRID, which enables air ventilation against your sole of the foot. Made from ECCO Performance leather and a super-stretchable mesh sock, the hybrid is mounted on the progressive ECCO MTN GRIP outsole and powered by BIOM® NATURAL MOTION® technology. BOA® Fit System allows for simple adjustments and easy connection and disconnection.