Saucony Endorphin Azura Trainers - Green - UK 10

SpeedRoll technology is designed to create a propulsive feel that enhances your transitions, leading to a smoother, faster, and more efficient ride with every stride.

The Endorphin Azura is a high-performance daily trainer that can be used for tempo runs and workouts. While it can handle longer distances, it is not specifically designed as a marathon racer like some plated models. It offers a good balance for runners who want versatility.

PWRRUN PB foam is a PEBA-based foam that is significantly lighter, softer, and more resilient (bouncy) than traditional EVA foam, providing better energy return and a more comfortable ride.

The Endorphin Azura features XT-900 rubber for durability and traction, making it suitable for light trails. However, it is primarily designed as a road running shoe and may not offer the aggressive grip or protection needed for highly technical or muddy trails.

An 8mm offset means there is an 8mm difference in height between the heel and the forefoot. This is a moderate offset that promotes a balanced stride and is comfortable for many runners, bridging the gap between higher-offset traditional shoes and lower-offset or zero-drop shoes.

The 'Fast & Light' designation comes from its lightweight construction and the inclusion of responsive cushioning and efficient transition technologies like PWRRUN PB and SpeedRoll, all aimed at helping you run faster with less perceived effort.

A proper fit means there is about a thumb's width of space between your longest toe and the end of the shoe. The heel should feel secure without slipping, and the midfoot should feel comfortably snug. Ensure the laces are adjusted to prevent any pressure points or excessive looseness.

Check for any debris lodged in the outsole tread or ensure laces are not causing friction. If the noise persists, it might indicate an internal issue; discontinue use and contact customer support.

Ensure the laces are tied securely and the fit is snug. Check the outsole for excessive wear or contamination (mud, debris). Clean the outsole if necessary.

The PWRRUN PB foam may naturally compress slightly with extensive use. For optimal performance, consider replacing the shoes after approximately 300-500 miles, depending on usage and terrain.

Ensure you have the correct shoe size. The 8mm offset and midsole geometry might require a brief break-in period. If discomfort persists, consider trying different lacing techniques or consulting a running specialist.