Please click here for the La Sportiva Size Conversion.The La Sportiva® Spire GTX light duty hiking boot is ideal for day trips and short backpacking hikes where you need a versatile and waterproof trail shoe that breathes well and supports lighter loads.Durable abrasion-resistant mesh upper.Lace-up closure for a secure fit. Nano Cell 2.0 Technology provides structure to the shoe and works with GORE-TEX® Surround™ aeration channels within the footbed and midsole.STB control system integrates GORE-TEX® Surround™ ventilation outlets to create an incredibly stable and breathable environment.PU TechLite toe and heel. Breathable textile lining. 5mm Ortholite insole offers superior cushioning, support, and comfort. Compression-molded EVA midsole for long-lasting shock absorption and features TPU inserts and GORE-TEX® Surround™ aeration channels. Vibram® XS Trek outsole with Impact Brake System™ and Frixion® Blue provides traction and grip on a variety of terrains. Imported. Product measurements were taken using size EU 44.5 (US Men's 11), width D - Medium. Please note that measurements may vary by size.Measurements: Weight: 1 lb SKU 9158436