On Running Cloudmonster 3 Hyper LightSpray is the ultimate evolution of the super trainer, engineered for those who demand more speed and less weight. By fusing On’s most responsive cushioning with race-performance LightSpray™ upper technology, On has created the lightest Cloudmonster ever made.

Bold, innovative, and highly efficient, the Cloudmonster 3 Hyper LightSpray redefines high-performance running. This non-plated super-trainer delivers an exceptionally versatile ride—feeling stable, smooth, and fast across any pace. Its dual-cushioning system provides a springy, responsive pop while maintaining a resilient, supportive base.

A marvel of minimalist engineering, the shoe is constructed from just eight essential pieces. The precision-engineered, laceless LightSpray upper integrates perfectly with the foot for a seamless fit. This radical design not only reduces its carbon footprint but delivers elite-tier performance for everything from ambitious long runs and tempo sessions, to even marathon race day.

 

UPPER

• Revolutionary One-Piece Construction: A robotically-sprayed, seamless upper created in just three minutes for a precision fit that feels like a second skin.
• Laceless Performance: Eliminates traditional pressure points and excess weight, providing a secure, distraction-free lockdown.
• Elite Run Sock High Hyper: Includes the specialized Elite Run Sock, designed to work in perfect synergy with the LightSpray™ upper for unmatched comfort.
• Ultralight & Breathable: A minimalist approach that maximizes airflow while maintaining a secure hold at high speeds.

MIDSOLE

• Helion™ HF Hyper Foam: The top layer features PEBA-based hyper foam for maximum energy return and elite-level impact absorption.
• Durable Helion™ Base: A secondary bottom layer of a firmer EVA-based Helion foam ensures long-term durability and structural stability.
  
• Plate-less Efficiency: Lacks a rigid plate to allow for a more natural gait and less impact, helping your legs feel fresher after grueling efforts.
• Enhanced Rocker Shape: An aggressive, forward-rolling geometry engineered for energetic push-offs and effortless transitions.

OUTSOLE 

• Durable Outsole: Generous coverage and depth of rubber to ensure the shoe meets the demand of your training