The TrailTack Green outsole

Stretch boxer brief lining: All-new sweat-wicking liner with cloud seaming feels smooth and stays in place to prevent chafing

while Brooks' holistic GuideRails system supports your natural motion path as it keeps excess pronation in check

The Mens World Tour Classic provides forefoot flexibility and long-term comfort thanks to a special walking platform construction: built-in Strobel technology and EVA cushioning – which not only conforms to the shape of the foot for a personalised fit

Grounded in the same dual-density geometry and injection-moulded outsole as the original icon

Unisex New Balance FuelCell Flite S US Men's Size (Women's):12.0 The TrailTack Green outsoleA high performance track spike with a propulsive FuelCell midsole and removable spikes. Features FuelCell foam delivers a propulsive feel to help drive you forward 6 pin pebax spike plate built for distances 60m 400m Removable spikes for easy replacement Reinforced upper for toe drag sprinters 174g