adidas - Forefoot a (Toro/Metallic Silver/Mercury Grey) - Men's: A sleek and stylish competition tennis shoe. Lightweight and durable synthetic leather upper with mesh for breathability. adiTUFF(tm) in the toe area for abrasion resistance. adiPRENE(R) insert for comfort and shock absorption. adiWEAR(R) outsole for durability. Molded EVA insole for anatomical comfort. . TorSion(R) - creates stability and control. Allows natural rotation between the rearfoot and the forefoot, provides midfoot support and improves surface adaptability. a(tm) is an energy management system that provides you with three real benefits. It cushions, guides, and drives you through a perfect footstrike.