Recommended Events: Track and Field [100m-1500m / Hurdles / Long Jump / Triple Jump / Pole Vault] Features support parts for fallen arches. The ARCHWRAP, located in the midfoot area of the insole, works in conjunction with the shoelaces. A plate supporting the fallen arch inside the shoe. Provides moderate stiffness to areas where force is easily applied, such as the ball of the big toe, to prevent excessive twisting. The forefoot has a plate that enhances flexibility, and the heel has AHARPLUS, which is highly abrasion-resistant. The upper is reinforced with synthetic leather to improve breathability, hold, and durability. Spikes and attachments can be replaced to suit track conditions. ARCHWRAP is a functional component designed to reduce the burden on the athlete's foot by preventing excessive arch (fallen arch) collapse during ground contact. When using, you may occasionally feel discomfort in your foot. In such cases, you can reduce the effect of the ARCHWRAP and alleviate the discomfort by threading the shoelaces through the holes next to the loops along with the ARCHWRAP. Accessories: Handle, Spike Pin Cover * Shoe bag is not included ■Materials Upper: Synthetic leather (artificial leather) / Synthetic fiber Outer sole: Synthetic sole (nylon) / Rubber sole Spikes: Metal (iron) = for antuka track 12mm: replaceable