Wasn’t sure of the sizing as some brands I get medium and others large as I wear my jerseys for running as well as cycling. For future reference I’d probably go down a size to medium I’m 172 cms, 55 kgs and very slim. But for any jerseys that are sold out in medium I could easily buy a large, it might not be aerodynamic but as I only ride indoors it doesn’t really matter to me. The only thing I noticed was when my parcel arrived it was marked 48 hours but took a week to get here. I’m not sure if it had to do with me living in N Ireland or not and tracking on the Royal Mail website only told me that details would be ready to see only after delivery was attempted so the tracking number was basically useless as I had no way to tell where it was, I just had to wait for it to arrive. But overall I’d still give it 5 *’s, had no problem ordering or paying, just wish some of their other jerseys which seem to be sold out every time I check their website would come back into stock.