Nike Downshifter 9 with lightweight mesh upper is breathable and comfortable. The closed mesh at the heel and the instep structurally strengthens the leg for sprints. The flexible grooves under the foot bend with the foot and the foam along the entire length softens each step. The two-color mesh upper is breathable and comfortable. Soft and smooth midsole dampens every step. The bevelled heel looks elegant and very fast. Structured closed mesh for the instep and heel reinforces the foot. The elastic grooves in the all-rubber sole effectively support the range of reflection movement.