Gauge listed is for smaller hook.
Gauge with hook G (4 mm) : 16 stitches & 20 rows

Original source is Junior Foot Cozies but that was only available in child’s size while this version also has adult sizes.

SUPPLIES:
TLC® “Essentials®”: 1 Skein each 2820 Robin Egg A and 2368 Dark Brown B.

Crochet Hooks: 3.25mm US F-5 for Small and Medium. 4mm US G-6 for Large and XL. I

Yarn needle, split-ring stitch markers, sewing pins, 2.375” buttons

SIZE:
Finished Foot Length: 6 (8, 10, 11)”.