Black, simple, and easy to match with anything. The size is US10, so it should be around 27.5, 28, or 28.5 cm. The product condition is considered to have some scratches and dirt. I also have various other items for sale, such as clothing from Uniqlo, Muji, Montbell, The North Face, Patagonia, and Workman. For those interested in: mountain climbing, Golden Week, GW, consecutive holidays, summer vacation, autumn foliage viewing, winter vacation, aurora tours, cold weather protection, Mount Fuji, trekking, climbing, Cool Biz, quick-drying, those who sweat a lot, hyperhidrosis, travel, fishing, biking, cycling, camping, solo camping, festivals, outdoor activities, Mammut, hiking, trekking, walking, strolling, golf, sports day, festivals, training, and mountain girls. Scene...Running/Training