Adidas Women's Terrex Fast X Hiking Shoes, Clay / Black / Sesame, 8 B(M) US Synthetics Speed lacing construction for fast and snug lacing Traxion featuring Continental rubber for extraordinary grip FORMOTION controls and cushions your downhill stride Outdoor specific Formation unit for enhanced motion control and downhill comfort Midsole forefoot adiPRENE for forefoot propulsion and efficiency