Use leftover self-patterning sock yarn paired with a solid from your stash to knit these fun Fair Isle-like mittens. Six mitten sizes range from newborn to big kids.

This knitting pattern includes written instructions and a photo tutorial for working the thumb opening.

Sizes/Finished Measurements
To fit Baby (1-2 yrs, 2-4 yrs, 4-5 yrs, 6-8 yrs, 8+ yrs)
Finished hand circumference: 4 ½ (4 ¾, 5 ¼, 5 ½, 6, 6 ½)” / 11.5 (12, 13.5, 14, 15, 16.5) cm
Hand length: 3 ½ (4, 4 ¾, 5 ¼, 5 ¾, 6 ½)” / 9 (10, 12, 13, 14.5, 16) cm

Yarn
Sock yarn (fingering weight)
Self-Patterning: 15 (17, 22, 25, 30, 36) yd / 14 (16, 20, 23, 28, 34) m
Solid Colour: 12 (20, 24, 29, 33, 39) yd / 11 (18, 22, 27, 31, 36) m

Substitution Notes
Fingering weight and sock yarns work well for this project. For warmth, choose yarns with at least some wool in them.

Techniques
Knitting in the round, decreases, afterthought thumb

Helpful Links
How to insert a waste yarn placeholder for a planned afterthought thumb.
Working very small circumferences in the round.