EUC worn a few times outside but under 30mi on these so almost-new with hundreds of miles to go. The lower heel-toe drop (6.5mm, Vs 10mm in the previous versions) doesn’t work for my Achilles so my loss is your gain! Softer, lighter and lower to the ground feeling than the Boston 10/11. The fit is much better too, though they still run a bit long. I’m 7.5 in Saucony, Nike, and New Balance, and 7 in these is perfect.