I bought these shirts for my 11 year old son who is about 4ft 11" and weighs 103lbs and they were too small and too short.
We have several Champion shorts in the same size and they fit in completely different ways.
Waterproof Cozy-Dry Rain/Snow Pants for π§ Kids by JAN & JUL, with Fleece Lining
64 Review
Boys' Adidas Active Sports Tricot Athletic Clothing
45 Review
π₯ Stay Warm and Active with Rocky Fleece Thermal Underwear Bottoms for Boys
44 Review
π Boys' Outdoor Climbing Convertible Trousers - Waterproof | Clothing
47 Review