USA Standard Size: Boy's 6  Brand: 365 Kids Boys outfit. Dark red long sleeve shirt, "I'm A Super Genius", layered look, black waffle knit sleeves. Black casual woven pants, pull on, elastic rear waistband, belt loops, two front pockets. Material: SHIRT 60% cotton 40% polyester PANTS 100% cotton  One standard photo used to represent all sizes and may not match the size indicated in this listing.