At only 185g per shoe, the Pearl Izumi Tri Fly Octane II's are the lightest, most technically advanced triathlon shoes on the market. Octane 1:1 Power Plate with unidirectional carbon is ultra-light, stiff and powerful. Extremely thin, seamless upper gives a second-skin fit and is aerodynamically shaped to keep you fast. Nearly weightless construction won't overheat, so you can ride comfortably without socks. 1:1 Anatomic Tri Closure with notched Velcro strap helps to shorten your time in the transition area.