Knit the Sling Socks for One Size (pattern includes two different gauges), finished circumference of approximately 7.5" and finished length of approximately 6.5" (not including strap), with 150 yds (100g) of Worsted Weight Cotton or 132 yds (68g) of DK Cotton. Suggested needles are US 7 (4.5mm) and 9 (5.5mm) Double Point Needles. You will also need a Stitch Marker.