Youth Baseball Jersey Sizing Guide: Age-by-Age Breakdown
- Youth baseball shirt sizing varies by brand and fabric type.
- Ages 6-8 typically wear Youth Small or Medium. Ages 9-11 wear Youth Medium or Large.
- Sport-Tek youth performance tees and Bear Grips youth cotton tees cover the full range.
- Individual ordering through team shop means parents choose their own size, eliminating guesswork.
Youth baseball jersey and shirt sizing varies across brands, and the single biggest source of apparel frustration for team coordinators is getting the size distribution wrong before a bulk order. This guide covers how Bear Grips youth sizing works across the Sport-Tek, Gildan, and Bear Grips house brand options, and how the print-on-demand model eliminates the sizing problem entirely by letting parents choose their own size at order time.
Youth Baseball Shirt Sizing by Age Group
General guidance for youth baseball shirt sizing. These are approximations as fit varies by brand and individual build:
| Age | Height | Typical Size |
|---|---|---|
| 5-6 | 44-48" | Youth XS or Youth S |
| 7-8 | 48-52" | Youth S or Youth M |
| 9-10 | 52-56" | Youth M or Youth L |
| 11-12 | 56-60" | Youth L or Youth XL |
| 13-14 | 60-64" | Youth XL or Adult Small |
Taller or larger-build players should size up. Gildan tends to run slightly larger than Sport-Tek at equivalent size labels. Bear Grips house brand sizing aligns closely with Sport-Tek.
Brand-Specific Sizing Notes for Youth Baseball Shirts
The three main youth brands in the Bear Grips catalog each have distinct sizing characteristics:
- Sport-Tek Youth Moisture-Wicking Performance Tee: Athletic cut, slightly narrower through the shoulders and chest than casual tees. Players with a broad build should consider sizing up.
- Bear Grips Youth Airlume Cotton Athletic Tee: More relaxed cut than Sport-Tek. Standard youth sizing that matches most parents' expectations.
- Gildan Youth Hoodie and Youth Crewneck Sweatshirt: Gildan runs slightly generous in sizing compared to other brands. Some parents size down from their usual choice on Gildan styles.
When parents order individually through your team shop, they can reference the specific size chart for the exact product they are ordering. This eliminates coordinator guesswork entirely.
Why Individual Team Shop Ordering Eliminates Sizing Headaches
The traditional bulk-order model requires a team coordinator to:
- Collect size preferences from 15-25 players and parents
- Estimate the right distribution across XS through XL
- Add extra shirts in common sizes "just in case"
- Deal with players who got the wrong size anyway
When parents order individually through a Bear Grips team shop link:
- Each parent visits the specific product page
- They see the size chart for that exact brand and style
- They choose the size that fits their player
- The shirt ships directly to their home
Wrong size? The parent ordered it. No coordinator involvement required, and no bulk inventory sitting around in the wrong sizes. This alone is worth the switch for programs that have dealt with size distribution problems in prior seasons.
Sizing for Youth Players at the Small and Large Extremes
Very young or very small players (ages 5-6) and older or larger players (ages 13-14+) present different sizing challenges:
Young players (ages 5-6): Most youth brand sizing starts at Youth XS or Youth S. The Bear Grips Youth Airlume Cotton Athletic Tee and the Sport-Tek Youth Moisture-Wicking Performance Tee both offer Youth XS in the Bear Grips shop. For the smallest players, a Youth XS that runs slightly large is usually preferable to an Adult XS that is dramatically too big.
Older players transitioning to adult sizes: A 13-14 year old in Youth XL may be equally comfortable in an Adult Small depending on the brand and their build. The Sport-Tek adult small runs closer in dimensions to a Youth XL than most adult brands. For this age group, offering both Youth XL and Adult Small in your shop gives families the choice.
Let Parents Choose Their Own Youth Baseball Shirt Size
Set up your team shop and share the link. Parents order the right size for their player directly, shirts ship free to their door.
Get Started FreeFrequently Asked Questions
What youth baseball shirt sizes does Bear Grips carry?
The Bear Grips catalog carries Youth XS through Youth XL across the Bear Grips house brand, Sport-Tek, and Gildan youth styles. Specific size availability varies by product.
How do I know which size to order for my 10-year-old baseball player?
A 9-10 year old typically wears Youth Medium or Youth Large depending on their height and build. Check the specific size chart on the product page in your team shop for exact measurements.
Do youth baseball shirts shrink after washing?
Cotton and cotton-blend shirts may shrink slightly in the first wash. The Bear Grips Youth Airlume Cotton Athletic Tee is pre-shrunk. Performance polyester (Sport-Tek) is generally more wash-stable.
Can parents choose their own youth size when ordering through the team shop?
Yes. Each parent or player orders their own size through the team shop link. The size chart for each product is visible on the product page before checkout.