I’ve recently changed the Sparkle Sock base so below is the old skeins info:

Meterage - 420 yards (384 meters)
Unit weight - 100 grams (3.53 ounces)
Gauge - 6.0 to 8.0 sts
Needle size - US 1 - 2½ or 2.25 - 3mm

Fibers
75% Merino
20% Nylon (Polyamide)
5% Other
Machine wash?
yes

Discontinued