- LT2 (Anaerobic Threshold): The point where lactate builds up faster than it can be cleared
buckle closures and suede footbed liners with direct-injection outdoor-ready outsoles for increased traction and durability
Compressive technical fabric
In addition to full zip hand pockets
increased the COOLmatic mesh coverage for more breathability and we reduced the size for a lower profile more fitted look
Men's Topo Athletic Phantom 4 Road Shoe Clifton - LT2 (Anaerobic Threshold): TheThe latest update to Topo's high cushion neutral trainer, the Phantom 4, delivers an even more cushioned, responsive, and comfortable ride. The all new upper, midsole, and outsole design gives the shoe a sleek, dynamic look. They've increased the stack height by 2mm, now offering a 35 30mm platform, providing extra cushion. Our ZipFoam compound is lighter, softer, and more responsive than ever. The Topo Athletic Phantom 4 is perfect for daily miles,