NAImportedSynthetic soleMake a new PR in these ASICS? Hyper MD 6 track and field spikes.Designed for mid-distance running and 400-1000 meter races and hurdles.Speed mesh upper with TPU overlays provides a secure fit.Lace-up closure.Padded collar for increased comfort. Lightly padded footbed. EVA midsole and heel wedge provide cushioned support during foot strike. Pebax spike plate for traction, acceleration, and performance for mid-distance runners. Includes 6 mm pyramid spikes and wrench. Imported. Measurements: Weight: 7 oz Product measurements were taken using size 12, width D – Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.