Full-length Waffle outsole pattern grips various surfaces and terrain. Soft and slightly stretchy mesh helps keep you comfortably going for miles. Thin speed laces have a knit-in texture that helps keep knots more secure than traditional laces. Lugs around the outsole help enhance grip in multiple conditions. Chasing a personal record after years of racing the field and the clock? Run down your goals and your opponents in the Zoom Rival 6. The mesh upper keeps you comfortable through the tape while the midsole helps keep you stable during those long, grueling mid-race miles in any condition.