NWOT Size 12 3/4-length bootie construction reduces weight and layers in the upper while wrapping the foot for a snug, sock-like fit. EVA sockliner forms to the shape of your foot, delivering custom comfort and support. Durable solid rubber in the heel with horizontal traction pattern for increased grip on the track. Updated eight-spike forefoot plate for aggressive traction and explosive speed with every step. Includes 1/4" pyramid spikes and a wrench.