UA Performance Tech™

Trace your foot on paper and measure heel to toe. Size up if between two sizes. Measure later in the day for best results.

Saucony uses US sizing. Choose your usual size. Size up if between two sizes.

Mizuno runs slightly small. We recommend going half a size up.

Salomon follows standard EU sizing. For trail, size up half a size to allow 5–10mm space at the toe.

CHEST: Measure around the fullest part of the chest.

WAIST: Measure around the natural waistline, just above the hips.

HIPS: Measure around the fullest part of the hips.

HEIGHT: Measure from top of head to floor without shoes.

Boys — Under Armour Kids