I'm an adult and I usually wear 32x32 with jeans or 31x32 with stretch jeans. It's 30 x 32 as stated on the Levi's tag. These fit me perfectly. I think the material is lighter than adult jeans but they are also much cheaper.
π Essential Straight Fit Jeans for Boys: Top Choice in Amazon's Boys' Clothing Collection
47 Review
π Thermal Blue Thicken Boys' Clothing by FREDD MARSHALL
36 Review
πΆ Little Toddler Liberty Boys' Clothing from Children's Place
42 Review
Ultimate Comfort for Boys: Lee Performance Series Extreme Comfort Slim Fit Jean
41 Review
Boys' Adidas Active Sports Tricot Athletic Clothing
45 Review
π Boys' Outdoor Climbing Convertible Trousers - Waterproof | Clothing
47 Review
Waterproof Cozy-Dry Rain/Snow Pants for π§ Kids by JAN & JUL, with Fleece Lining
64 Review
π₯ Stay Warm and Active with Rocky Fleece Thermal Underwear Bottoms for Boys
44 Review