Only tried on indoors after purchase. Size 44, which I believe is approximately 27.5-28cm. The color looks black, but the official color is GRAY. It doesn't appear completely black when viewed up close. * Will be shipped in simple packaging (plastic bag and a paper shopping bag). * Please refrain from purchasing if you are sensitive to used items. * No claims after purchase. Please ask any questions if you want to confirm anything to avoid any trouble.