The primary materials that compose this product contain a minimum of 20 percent recycled content.Take your running experience to the next level with the ASICS® Novablast 5 shoes. Designed for an energized ride, their midsole and outsole geometry helps you feel more dynamic with every step. The tongue wing construction in the upper enhances the fit and minimizes tongue movement for added comfort. Complemented by an engineered jacquard upper, these shoes offer improved stretch, ventilation, and durability.Polyester lining and rubber insole.At least 75% of the shoe's main upper material is made with recycled materials to reduce waste and carbon emissions.The sockliner is produced with the solution dyeing process that reduces water usage by approximately 33% and carbon emissions by approximately 45% compared to the conventional dyeing technology.Lace-up closure.Front and back pull tabs for easy wear.Round toe design.FF BLAST™ (FLYTEFOAM BLAST) is a lightweight, midsole foam with energetic and highly responsive cushioning and bounce.Trampoline-inspired outsole design helps provide a more responsive bounce back.AHAR LO outsole rubber helps create better traction, improved softness, and advanced durability.Imported.Product measurements were taken using size 9, width D - Medium. Please note that measurements may vary by size.Measurements: Weight: 9 oz SKU 9981812