Fresh Foam 1540v4 marks the next evolution of our trusted 1540 series—reimagined to push beyond traditional expectations and built to deliver premium stability

The strapless design performs best when paired up with an Altra GaiterTrap™ equipped shoe

In CloudTec Phase™

the updated ACTIVE BOTTLE belt is now even lighter

Crew: A classic sock height that hits the mid-point of your lower leg

On Men's Cloudboom Max - White/Juniper Size:9.5 Fresh Foam 1540v4 marks theMade for marathon training. The CloudTec cushioning system delivers a fast ride with Helion HF hyper foam for energy return and lasting comfort. Key Features: Weight: 296. 0g CloudTec cushioning system engineered for fast runs Double layer of Helion HF hyper foam for energy return Glass fiber infused Speedboard for efficiency and support A lightweight, breathable mesh upper Padded heel design for comfort over long distances Supportive upper molds and