Tahki Yarns Presto. $4.49/60 yd=7.5C/yd. 48% Wool/46% Acrylic/3% Nylon/3% Mohair; Weight/Yardage: 50g/60yd; Gauge: 3 sts = 1" on US 13; Knitting Weight: Bulky Tahki Presto is an interesting blend of wool, acrylic, nylon and mohair. This multicolored yarn is somewhat thick & thin so it will add texture to your project. Tahki Presto is a chunky weight yarn that will work up quickly. It is made up of two strands; a thick wooly one and a thin shiny one.