New Balance FuelCell SuperComp Trainer v3 - Red - UK 12

FuelCell is New Balance's highest performing and most propulsive foam compound, designed to deliver a high-rebound and energetic feel, driving you forward with every stride. The SuperComp Trainer v3 uses a PEBA blend for enhanced lightness and energy return.

Energy Arc combines a specifically designed carbon fiber plate with strategic midsole voids. This system is engineered to maximize stored energy during foot strike and then release it efficiently at toe-off, creating a propulsive effect that enhances forward momentum and provides a smoother transition.

While highly capable for race day due to their energy return and stack height, the FuelCell SuperComp Trainer v3 is specifically optimized for high-mileage training. They are ideal for long runs, tempo efforts, and daily miles where you prioritize cushioning, comfort, and a propulsive feel.

The New Balance FuelCell SuperComp Trainer v3 weighs approximately 261g (for a UK 12) and features a 6mm heel drop (40mm heel stack, 34mm forefoot stack).

It is generally recommended to try on running shoes to ensure the best fit. Your running shoe size might be half a size to a full size larger than your casual shoe size to accommodate foot swelling during runs. Ensure there is about a thumb's width space between your longest toe and the end of the shoe.

These shoes are designed with an outsole optimized for road and track surfaces. While they might handle very light, well-maintained trails, their grip and protection are not intended for rugged trail conditions, which could lead to instability or premature wear.

Ensure you are wearing appropriate running socks. Re-adjust your lacing to relieve pressure points, potentially skipping an eyelet if a specific area is affected. Allow for a break-in period; if discomfort persists, consult a running shoe specialist.

Running shoes have a lifespan, typically 300-500 miles. Track your mileage and consider if it's time for a replacement. Rotating between two pairs of shoes can also help extend their life and maintain cushioning.

While the outsole is optimized for road, all shoes can lose grip on very wet or slick surfaces. Check the outsole for excessive wear. Adjust your stride and reduce speed in adverse conditions. Ensure the outsole is clean of debris that might reduce traction.

This can sometimes be caused by the insole rubbing against the strobel board inside the shoe. Try removing the insole, cleaning underneath, and replacing it. A small amount of talcum powder can sometimes alleviate the issue. If it persists, it might indicate an internal material issue.