Picked up a pair of ZX500 OG Weave's recently, here are some impressions.
I'm a true size US9, and following some research I picked up this pair sizing down half to US8.5. Compared to my US9 Roshe's (which are the shortest length-wise among my sneakers), this looks even shorter considerably. A bit of a chunky look from the top, triangle shaped toebox. Upon trying it on, I realized I could have sized down to maybe US7.5. There was barely any cushioning inside, and my feet (wide) were swimming in space. One full thumb at the toe, and heel grip was negligible. Not helped by the Ghilly lacing which has too much give to it.
Laces felt cheap and are way too long, but everything else seemed fine for the price. Insole is glued on loosely, and felt less cushioned.