In short:The changes to the Gravity from the previous version are mostly aesthetic, but Newton has also dropped some weight and repositioned some of the overlays to give a softer and more secure fit over the toes. As ever with Newton, the forefoot

. Weight (M): 292g Weight (W): 235g Contact: www.newton.com Full Review: Support features on both the medial (inner) and lateral (outer) sides of the full length of the shoe, to ensure support whether running on forefoot or heel. Active membrane behind

forefoot running, with four raised lugs on the forefoot outsole of each shoe. Each lug is compressed into a hollow midsole chamber on contact with the ground, then pushed back out again, promoting quicker foot turnover.Newton believes that forefoot running

reported almost forgetting they were wearing shoes at all. Cons:These feel even lighter on the feet than their weight suggests - some of our testers reported almost forgetting they were wearing shoes at all. Weight (M): 269g Weight (W): 212g Contact: www.newton