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Fun Run Shirts for Kids: Youth Sizing and Style Guide

February 19, 2026 5 min read By Jake Reynolds
Quick Answer
Table of Contents
  1. Youth Shirt Options for Fun Runs
  2. Youth Sizing Guide
  3. School Fun Run Shirts for Students
  4. Ordering Youth Shirts with Adult Shirts Together
  5. Frequently Asked Questions

Fun run shirts for kids come in youth sizing at Bear Grips Pro Shops starting at $19.88 VIP with no minimum order. Whether you are organizing a school fundraiser run, a family fun run, or a community charity 5K that includes youth participants, custom shirts in youth sizing are available in the same shop as adult options, ordered the same way, with the same free US shipping and approximately 1-week delivery.

Youth Shirt Options for Fun Run Events

The Bear Grips catalog includes dedicated youth shirt options for fun run events:

Youth Sizing for Fun Run Shirts

Youth sizing at Bear Grips Pro Shops generally follows these guidelines:

Youth SizeApprox Age RangeChest (inches)
Youth S6-8 years26-27"
Youth M8-10 years28-29"
Youth L10-12 years30-31"
Youth XL12-14 years32-33"

These are approximate ranges. Individual brands may vary slightly. For young participants who are between sizes, sizing up is generally the safer choice for fun run shirts: a slightly larger shirt is more comfortable to run in than one that is too snug.

For adult participants (14+), standard adult S-4XL options are available. Families attending together can order both youth and adult options through the same shop link in one session.

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School Fun Run Shirts: What Works for Student Participants

School fun runs typically involve a wide age range: kindergarten through 5th or 6th grade for elementary events, or 6th through 12th grade for middle and high school events. Shirt choices need to account for:

For school-specific fun run shirt ideas, design approaches, and grade-differentiation strategies, see the school fun run shirt ideas guide.

How to Order Youth and Adult Fun Run Shirts Together

Adding both youth and adult sizing to your fun run shop is straightforward:

  1. In your Bear Grips Pro Shops account, add the adult shirt as a product
  2. Add the youth shirt as a separate product in the same shop (same design, youth sizing)
  3. Name them clearly: "Fun Run Shirt - Adult" and "Fun Run Shirt - Youth"
  4. Share the shop link with all participants and ask families to select the appropriate listing

Both products carry the same custom design. Each order ships individually to the purchaser's address within approximately 1 week.

For family fun runs where parents and kids attend together, this setup lets the whole family order through one link without separate order flows. A parent can add both the adult tee and the youth tee to a single order at checkout.

See the family fun run shirt ideas guide for matching family shirt design approaches.

Add Youth Shirts to Your Fun Run Shop

Youth tees from $19.88 VIP. No minimums, free US shipping. Order exactly what each child needs.

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Frequently Asked Questions

What is the smallest youth size available for fun run shirts?

Youth Small is the smallest available size, which typically fits children ages 6-8 depending on build. For children younger than 6 or those who wear infant or toddler sizing, the current catalog does not carry those sizes. Youth S is the starting point.

Can kids order their own fun run shirt from the shop link?

Parents typically complete the order for younger children. The shop link is shareable and can be accessed from any device. A parent orders the youth size for their child through the same shop link that adult participants use.

Are youth fun run shirts unisex?

The youth shirts in the catalog (Bear Grips and Sport-Tek youth tees) are unisex sizing and cut. They work for both boys and girls. There is no separate girls-specific youth cut in the current youth shirt lineup.

Do youth fun run shirts cost more than adult shirts?

No. Youth shirts at Bear Grips Pro Shops are priced at the same VIP base as adult shirts. Youth Airlume Cotton Tee and adult Airlume Cotton Tee are both $19.88 VIP base. Youth participants get the same shirt at the same price as adult participants.

Jake Reynolds
Jake ReynoldsEndurance Coach and Ultra Runner

Jake has finished six 100-milers and coaches both road and trail runners. He runs a tri club in Boulder and writes about training plans, race day apparel, and how to keep run clubs alive past month three.

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