Ruby Cuban Heel Thigh Highs with Back Seam from Kix'ies are a vintage classic, perfectly seamed with a cuban heel. Kix'ies thigh highs feature a strong, but gentle silicone-grip band that keeps them in place. Available in sizes: A: 4'11" - 5'5" tall, 90 - 140 pounds, up to 20-inch thigh circumference. B: 5'5" - 6'0" tall, 125 - 170 pounds, up to 25-inch thigh circumference. C: 4'11" - 5'5" tall, 140 - 240+ pounds, up to 30-inch thigh circumference. D: 5'5" - 6'0" tall, 170 - 260+ pounds, up to 35-inch thigh circumference.