These are the companion to Slouchy Starry Tam. The sizing is flexible and mostly based on gauge. For reference the blue and yellow ones are medium and long.

Sizing
Circumference around knuckles
Small 6” (15.25 cm) to 6.5” (16.5 cm)
Medium 7” (17.75 cm) to 7.5” (19 cm)
Large 8” (20.25 cm) to 8.5” (21.5 cm)

Middle finger length ratio
Short (Average, Long, Extra Long)
Measure middle finger from top of palm to top and divide by circumference around knuckles
Short around 0.1
Average around 0.3
Long around 0.4
Extra long around 0.5

Gauge
Women’s Small: 32 sts/40 rows to 4” (10 cm) on US2 (2.75mm) needles
Women’s Medium: 30 sts/40 rows to 4” (10 cm) on US 2.5* (3.00mm) needles
Women’s Large: 28 sts/36 rows to 4” (10 cm) on US 3* (3.25mm) stockinette