Uppers of genuine full grain & synthetic leather with ample breathable mesh ventilation. Merrell Siren Sport GTX XCR Shoe
Features: Slip Lasted Construction Full Grain/ Synthetic Leather & Breathable Mesh Upper Breathable Polyester Mesh Aegis® Antimicrobial Lining Breathable Padded Tongue 4.5mm Ortholite™ Anatomical Footbed Nylon 6.6 Injection Molded Arch Shank Q-Form™ Triple Density Compression Molded EVA Footframe Air Cushion® Midsole 5 mm Sole Lug Depth Vibram® Siren™ Sole/TC5+ Rubber