I believe I have carried it around, but I don't think I've ever used it. Asics track and field spikes. The upper material is durable. The last is designed specifically for track and field, with extra room around the ankles. AHARPLUS is used in the heel, and Rhinoskin is used on the outer forefoot of the upper, achieving excellent durability. Material Name: Upper/Synthetic Fiber + Synthetic Leather Outer Sole/Synthetic Sole (Nylon) + Rubber Sole Plate/Synthetic Sole (Nylon) Spikes/For all-weather tracks, 12mm: replaceable Production Location: Vietnam Accessories: Handle (Made in Taiwan) ・ Pin Cover (Made in China) Remarks: For all-weather/dirt track use - Brand: ASICS - Color: Navy/Pink - Model Name: Effort MK With bag 26 centimeters Thank you for viewing.