Cool top itself, only the size of L at 46 seems cramped. Under the breast a little press, even on the maximum Buckle (girth 74), slightly stretches, the chest holds, but straight in flattened form. Straps for me are short. In principle, you can wear, but not particularly comfortable. I do not imagine how M can climb on the Russian 46, as they wrote in the reviews, or all sizes are different or not the same. Perhaps it was necessary to consult the seller about the size