The lightest distance spike we've ever made. At only 4.3 ounces, elite milers and steeple enthusiasts will appreciate the lightweight form fitting feel of the new GunLap. A super lightweight sole unit features a shark skin outsole in the heel, with a mediallateral Decoupled Pebax Spike Plate up front for traction at all angles. The new lightweight rip stop nylon upper is reinforced by hotmelt TPU overlays for sock like fit. A series of reinforced peforations allow for ventilation andor water drainage when used in the steeplechase. Whether you are finishing fast from 1,500m to 3,000m, the GunLap was designed to help you hit negative splits.