Seamless Saddle Shoulder for a Preschooler
Seamless saddle shoulder sweater from Knitting without Tears.
Yarn: Dale of Norway Falk
Needles: US 3 (3.25 mm)
Gauge: ~6.5 st/in
Modifications (Choices): knitted in hems for the bottom and sleeves, about 1” of ease (will probably be less by the time it cools enough for him to actually wear it), rolled stockinette for the neckline
More details are on my blog.