Please click for the La Sportiva Size Conversion. Help minimize environmental impact with the Mythos Eco climbing shoe! Suede leather Eco upper with eco-tanning and metal-free. Slip lasted construction. Unlined interior. 95 percent of shoe comes from recycled materials (soles, laces, webbing, tongue padding) and offers reduced impact (metal-free tanning, biodegradable leather, water-based adhesives). 1.1 mm Laspoflex midsole. 4 mm La Sportiva Eco-rubber (recycled rubber) outsole. Made in Italy. Measurements: Weight: 9 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.