Features

• LightSpray™ technology. Incredible lightness. On's lightest racing shoe ever, boasting a feather light upper of -30g, and an overall weight of 170g - a pinnacle of lightweight design. 
• Unparalleled performance. Engineered for race day performance and speed, this precision-crafted shoe features CloudTec, Helion Hyperfoam and a full carbon plate to unleash maximum performance and speed .
• Made without a sockliner to maximize Helion HF content
• Over 40% bio-based Helion™ HF hyper foam for high-speed energy return
• CloudTec® elements create a faster, smoother roll-through
• Seamless and responsive second-skin fit upper. An ultra-thin, second-skin fit that's seamless, with enough support for race day. How? A single 1.5km long filament is spun by robot to create a mesh-like upper. Which is breathable and elastic, with no need for laces. And, at just 30g, it’s the lightest upper On's ever made.
• Ultra-cushioned ride protects against impact
• Spoon-shaped Speedboard® to absorb and transfer energy
• Lace-free construction minimizes distractions.
• Light on Foot and Low on Impact. Sprayed to cut emmisions. Driven by sustainability, the upper is made out of fewer parts, cuts CO2 emissions by 75%, and leverages a hyper local manufacturing process.
  

Specs

• Heel-to-Toe Drop - 4mm
• Forefoot - 35.5
• Heel Stack 39.5
• Cushion -  Max
• Lacing - Laceless
• Road running style- Speed
• Weight 170g