The Ecco Men's Biom G 3 BOA golf shoe features the GORE-TEX 100% waterproof technology which combines perfect breathability and strong weather protection. Using Biom’s NATURAL MOTION formula, you’ll feel closer to the ground, allowing for a more stable, comfortable base. The leather YAK uppers are extremely strong and lightweight with incredible breathability and heightened durability. The BOA closure system is designed for the ultimate comfort, fit, and easy adjustment. ZARMA-TOUR spikes are engineered for improved ground traction. Additionally, the open-cell Ortholite inlay sole is removable and washable, as well as constructed for long-term cushioning.