Vans is famous for vintage, retro-inspired sneakers but is also ahead of the curve in terms of technology and modern features. The ISO 1.5 is built around Vans' ActionFitâ„¢ last, which enhance wearing comfort and overall fit. The ultra-light and flexible mesh upper sits atop the unique UltraCushâ„¢ sole unit, which features the WaffleFlexâ„¢ tread pattern to promote anatomical movement.