These knit pants are made in Japan with a seamless "hole garment method" that follows the babys body shape and tends to open in the M shape. The length of the shoulder strap can be adjusted to 2 levels by changing the buttons, making it convenient for those from swelling to crawling when 27.6 - 31.5 inches (70 - 80 cm). The "Sumi" is inspired by the traditional Japanese color and light gray contrast on the bottom of the foot adds to your outfit. Pair with a matching cardigan and Bodysuits1 for a simple chic look that can be worn for any occasion such as wedding.