A bungee lace system means a secure and comfortable fit in this flexible running shoe boasting a lightweight design with HEAT.RDY breathable protection. Lightweight: puts cushioning and performance underfoot with an emphasis on streamlined comfort Cushioning: absorbs impact and distributes weight for consistent, buoyant comfort under each step Elastic laces with adjustable toggle closure HEAT.RDY fabric maximizes airflow to keep you cool and comfortable Removable insole Synthetic and textile upper/textile lining/rubber sole Imported