Fiber Trends .. Made in the USA .. Knit Pattern Designed by Evelyn A Clark Size: unisex sock pattern for adult size average foot with adjustable length. Yarn & Needle Requirements: Fingering Weight .. Approximately 400 yards Needle size US size 1 (2.25 mm) Double Point Sport Weight .. Approximately 350 yards Needle size US 3 (3 mm) Double Point Worsted Weight .. Approximately 300 yards Needle size US 5 (3.75 mm) Double Point