This is White Gum Wool's ‘twist-on-twist” spin style, designed to minimise pilling while keeping the beautifully soft feel of their superfine merino yarn.
10 PLY or ARAN
METRIC UNITS:  100 g: 190 m. 
Tension: 20 st/30 rows for 10 x 10 cm  square on 4.5 mm needles.
US/UK Units: 3.5 oz: 208 yd. 
Tension: 20 st/30 rows for 4 x 4 inch square on US 7 or UK 7 needles.
CARE: Hand wash cold, dry flat, medium iron, dry cleanable.