60s Sheath Skirt Sewing Pattern. The classic 60s pencil straight slim skirt is from 1 yard of 54 " width fabric. Waist 28 Hip 38 The pattern is cut & complete. The pattern envelope is open on one side, with heavy discoloration. All patterns are mailed in quality archival storage sleeves. 1960’s Butterick 9478 Pencil Skirt Pattern Waist 28, Uncut