U SD 100 v3

The New Balance SD 100 v4 is an entry-level sprint spike that has everything newer track athletes need and nothing that they don't. Designed for beginner track athletes toeing the line in races ranging from 60m to 400m, the New Balance SD 100 v4 is a durable and nimble track spike in a budget-friendly package. The SD 100 v4 features a synthetic upper that provides strong protection for the toe drag coming out of the starting blocks. Additionally, the TPU 6-pin spike plate in the forefoot and the rubber heel coverage combine to deliver an aggressive yet comfortable ride. Overall, the SD 100 v4 is a great option for the emerging sprinter looking to elevate their performance on race day.