Weight: approx. 200 g (7.0 oz) for men’s UK 8.5, and ~172 g (6.1 oz) for women’s. That’s 20 g lighter , with a 6 mm heel-to-toe drop (39 mm/33 mm stack) .
Fit: True to size in length, but the toe box is noticeably narrower compared to the Pro 3—many recommend going half a size up for comfort, especially if you have wider feet .
Breathability: Some runners report the upper can get warm and sweaty during intense efforts .
