This pattern from Finnish designers Ottobre has a reputation for being the only t-shirt pattern you need to own. It contains full pattern pieces and instructions for two basic t-shirts. Style A is a close-fitting design, and style B is a straight-cut design.
This patterns is designed for use with knit fabrics.
Sizes 92 - 170 (approximately 2 - 15 years).
For Ottobre sizing information download the Ottobre size chart pdf file.