Please click for the La Sportiva Size Conversion. No matter if it is a sunny or rainy day, you will always find your stride on mountainous terrain with the superior performance and protection of the La Sportiva Lycan GTX trail running shoe! Ideal Mountain Running shoe for training on off-road, rocky terrain. Breathable mesh upper with microfiber reinforcements coated with abrasion-resistant material for protection. Gore-Tex Extended Comfort lining keeps out the wet elements while still providing a comfortable, breathable foot environment. TPU toe cap for added durability. Wider volume in forefoot area for maximum comfort. 4mm Ortholite Mountain footbed for cushioned support and comfort. Injection-molded EVA midsole with external structure for shock absorption. Rock guard outsole with Impact Brake System is ideal for use on hard, rocky terrain. Outsole provides long-lasting wear with sticky traction. Drop: 6mm Heel/Toe: 18mm/12mm. Last: Tempo Imported. Measurements: Weight: 10 oz Product measurements were taken using size 39.5 (US Womens 8), width B - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.