8/5. Muy buena capacidad! Theyre shorter, and my toes are bleeding after a short hike. Ordered these after receiving a pair with the non-fuzzy foot bed for Christmas in a larger size. I needed to email in scans of the plate on the back with all the tech details before they accepted that it was indeed a Logitech product. Also, one of the packages (I ordered 4) was missing the bolts and washers. 18W is exactly the same with the original ones from factory. Answers were if you wear a womens size 8, get the size 8. ,,. The 11-12 did not fit at all.