ASICS DYNABLAST, Size 15, Color: Blue and black Gently worn, in good condition FLYTEFOAM BLAST™ Lightweight, midsole foam with energetic and highly responsive cushioning and bounce for an efficient ride. Knit upper Underfoot cutouts provide excellent bounce Solution Dye Sockliner Sockliner is produced with a solution dyeing process that reduces water usage and carbon emissions Recycled Material Upper At least 20% of the primary material of the shoe's upper is made with recycled materials to reduce waste and carbon emissions.