SD100v4 Unisex elastic material with very good

elastic material with very good cushioning

which fends off unattractive odors

Excellent option for lower-profile shoes

and 80 mg of magnesium per liter)

SD100v4 Unisex elastic material with very goodInspired by our elite track spikes, the SD100v4 has a traditional construction and a synthetic and mesh upper for durability during various sprinting events. Made for emerging sprinters, these track and field shoes have an innovative spike plate that offers an aggressive yet forgiving ride for 60m to 400m races to help you push past your personal best. Features Traditional construction for a secure fit Synthetic and mesh upper offers durability during