Running Shoe Upper Explained

In brief: The upper is the entire top part of a running shoe above the sole. It wraps the foot, holds it in place over the midsole, and manages breathability, support and weight.

What is the upper?

The upper is everything you see above the sole unit: the engineered mesh or knit, the overlays, the tongue, the laces, the heel counter and the collar. Its job is to secure your foot on top of the midsole so the cushioning and outsole can do their work. A good upper holds the midfoot and heel firmly while leaving the toes room to splay.

How it is built

Most modern running uppers are built from engineered mesh or a single-piece knit, with structure added through welded films, printed overlays or stitched panels. Tunnels guide the laces, an internal or external heel counter stiffens the rear, and the collar and tongue are padded for comfort. Brands tune density zone by zone so the toe box flexes while the midfoot stays locked down.

Materials and variations

Engineered mesh offers a balance of breathability and support. Knitted uppers wrap the foot like a sock and reduce seams. Racing shoes use thin, minimal uppers to save weight, while everyday trainers add more structure and padding. Trail uppers add tougher yarns, mudguards and protective rands to survive rough ground.

What to look for

Check that the upper locks your heel without pinching, that the toe box lets your toes spread, and that the material breathes for the conditions you run in. Hot spots, slipping or pressure points usually point to an upper that does not match your foot shape.

The upper and your running kit at OD's

When you choose running shoes, the upper is what determines fit and lockdown more than any spec on the box. Trying shoes on and feeling how the upper holds your foot is the surest way to a comfortable run. The team in St Helens is happy to talk you through how different uppers fit, and we offer next-day delivery and free click and collect.