In addition, the waist is elasticated, so you can wear these simple leggings.Perfect for pajamas and jerseys during forests, sleepovers, and school trips. Perfect for skiing wear and cold weather wear. There is no rubber replacement opening. About the sizing. Actual size when laid flat: 100cm Length 24cm Rise 7.9 inches Waist 7.9 inches Length 58 cm Rise 20 cm Waist 20 cm 120 cm Length 62 cm Rise 20 cm Waist 21 cm Rise 24 cm Length 24 cm Waist:24cm 1 19.7 inches (50 cm), Length: 31.5 inches (80 cm), Rise: 9.4 inches (24 cm), Waist: 9.8 inches (25 cm), Length: 33.5 inches (85 cm), Rise: 10.2 inches (26 cm), Waist: 10.2 inches (26 cm); *Sizes may vary depending on the color of the same size.