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A youth large fits kids roughly ages 10 to 12, but the exact measurements vary by brand and it is not the same as an adult small. Here are the numbers, a brand comparison table, and how to order the right size for your team or group.

Ordering custom t-shirts for a school means covering every body type from kindergartners to seniors, plus staff. The size range spans youth XS through adult 3XL or larger. Getting the distribution right saves hundreds of dollars in reorders and ensures every student has a shirt that fits on spirit day. Size Distribution by Grade Level Grade Level YXS YS YM YL YXL Adult S Adult M Adult L Adult XL+ Pre-K / K 50% 40% 10% 0% 0% 0% 0% 0% 0% 1st-2nd 20% 50% 25% 5% 0% 0% 0% 0% 0% 3rd-4th 5% 20% 45% 25% 5% 0% 0%...

Youth and adult t-shirt sizes are two separate sizing systems with different proportions. Youth sizes are cut shorter in the body, narrower in the shoulders, and have shorter sleeves relative to the chest width. Adult sizes are longer, wider, and proportioned for a fully grown frame. They overlap slightly at the youth XL to adult small crossover. Youth vs Adult: Side-by-Side Comparison Size Chest (in) Body Length (in) Category Chest (cm) Body Length (cm) Youth XS 24-26 18 Youth 61-66 46 Youth S 28-30 20 Youth 71-76 51 Youth M 30-32 22 Youth 76-81 56 Youth L 32-34 23 Youth...

Order your roster count plus 10 to 15 percent extra in the most popular sizes. That covers last-minute additions, sizing mistakes, and replacements. A team of 15 needs 17 to 18 shirts. A league of 100 needs 110 to 115. The extras save you from rush reorders that cost double. Size Distribution by Group Type Group Type YXS-YS YM-YL YXL Adult S Adult M Adult L Adult XL+ Youth Team (ages 6-10) 40% 50% 10% 0% 0% 0% 0% Youth Team (ages 10-14) 5% 35% 30% 20% 10% 0% 0% School Event (K-5) 30% 50% 15% 5% 0% 0% 0%...

Under Armour youth runs tight and athletic, noticeably slimmer than most blank shirt brands. If you are used to Gildan or Hanes, Under Armour will feel about one size smaller at the same label. UA designs for performance fit, which means the fabric sits close to the body with minimal extra room. Under Armour Youth vs Blank Shirt Brands: Size Comparison Brand Youth XL Chest (in) Youth XL Length (in) Fit Style Youth XL Chest (cm) Youth XL Length (cm) Under Armour 32-34 23.5 Compression/athletic, tight 81-86 60 Gildan 34-36 25 Boxy, generous 86-91 64 Bella+Canvas 32-34 24.5 Slim, modern...