Adidas AX2 Trail Walking Shoes Synthetic Upper - For lightweight durability on the go. Speed Grip - Designed for added grip and traction. Lightweight EVA Midsole - For long-term, lightweight cushioning that that doesn't compromise fit or comfort. Moulded Sockliner - Hugs the foot for a snug, supportive fit. TRAXION Outsole - Offers a reliable purchase in wet conditions or slippy terrain.