The Baby Tee Knitting Pattern by Kate Oats.

This fingering weight project is a perfect layering piece for mild fall or winter days but light enough for a summer baby. Pattern is written for intermediate-level knitters and an online photo tutorial is available for the neckline technique.

Size:
Preemie (Newborn, 6 months, 12 months)[2 years, 4 years]. Finished Measurements 15.25 (16.75, 19.25, 21.5)[23.25, 24. 75]"/38.5 (43, 48.5, 54.5)[59, 63] cm.

Materials:
Yarn for Short Sleeves: 60 (70, 85, 100)[110, 125] yards/50 (60, 75, 90)[100, 115] meters A & 75 (100, 125, 175)[200, 225] yards/70 (95, 120, 150)[180, 215] meters B fingering weight yarn.
Yarn for Long Sleeves: 65 (85, 100, 125)[150, 175]yards/60 (75, 90, 110)[135, 155] meters A & 100 (150, 175, 225)[300, 350] yards/90 (130, 165, 205)[270, 320] meters B fingering weight yarn.

Gauge:
28 sts and 40 rows per 4"/2.5 cm in stockinette on larger needles.