Simple, non-fussy V neck jumper for teenage boys (or girls), worked top down with the contiguous sleeves developed by SusieM.
Two sizes are given, approximately for young teenagers and older teenagers, according to individual sizes. The width of the shoulders is intended for boys (before they bulk into man-shape).
Shown in size 15 yrs on a (nearly) 15-year old, 175 cms (5 ft 9 in) tall.
The stripes in the rib edges can be done with scraps; the prototype used just 14 grams (0.5 oz).
Sizes and finished measurements (cm / in):
12 yrs: shoulder 36/14, chest 86/34, length 56/22.
15 yrs: shoulder 41/16, chest 90/35½, length 70/27½.