ECCO Golf continues to step up their game with the Biom Hybrid 3 GTX. High performance and breathable perforated Yak leather uppers in a low-profile silhouette. GORE-TEX Waterproof technology ensures you get the best water protection available. Plush tongue and collar for added comfort. Adjustable lace-up closure for a secure fit. Technical Insole System - a new, ultra-premium insole with silicon printing helps prevent unwanted foot movement during the swing. Anatomical last shape developed by scanning the feet of 2,500 athletes to provide ideal levels of support. BIOM technology promotes natural foot position, provides full-length foot support, and ensured unrivaled comfort. ECCO TRI-FI-GRIP outsole specializes in providing stability, durability, and rotational support. Imported. Measurements: Weight: 12 oz Product measurements were taken using size 40 (US Womens 9-9.5), width B - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.