La Sportiva - Slingshot (Passion/Yellow) - Men's: A technical trail racing flat focusing on stability, traction, and lightweight cushioning. Design and function was inspired by a lightweight track shoe. The ultimate shoe geared towards the efficient runner who performs shorter, faster-paced races and fast backcountry excursions. Combination airmesh and synthetic leather upper with a UreTech toe cap in front. Mesh lining in the heel. Injection molded heel stabilizer and dual-density EVA midsole provide just enough stability and cushioning without unnecessary added weight. 3.5mm trail lugs for lightweight grip on trails and dirt. Outsole is comprised of FriXion Dual Compound (AT for ride, XF for extra grip). Mountain bike inspired tread design with FriXion XF perimeter lugs that provide stability and traction. FriXion AT rubber in the middle for a smooth, fast ride. FriXion AT crash pad in the heel for shock absorption. Slip Lasted Strobel construction. Racing last. Shoe weighs 1 lb. 4 oz.