Science Teacher Goose Squad Tee

Size Charts + Fit Guide

Use the guides below to compare measurements and choose the best fit before ordering.

Before You Order

Sizing can vary slightly by brand and style. For the best fit, compare the measurements below to a shirt you already own and love.

How to Measure

- Lay your favorite shirt flat.

- Measure across the chest from armpit to armpit.

- Measure from the top shoulder down to the bottom hem.

- Compare those numbers to the chart below.

Select Your Product Type

Select your product type below to jump straight to the correct size chart:

Adult T-Shirts (Bella + Canvas)

Relaxed Adult Tees (Comfort Colors)

Adult Sweatshirts

Youth T-Shirts

Youth Sweatshirts

Toddler T-Shirts

Baby Bodysuits

Adult T-Shirt Size Chart

Bella + Canvas tees have a soft, lightweight feel with a modern unisex fit.

Bella and Canvas Fit Notes

• Unisex fit designed for both men and women
• True to size for a standard fit
• Men: order your usual size
• Women: order your usual size for a relaxed fit, or size down for a more fitted look
• Size up 1–2 sizes for an oversized or looser style
• Lightweight, soft fabric with a smooth, retail-style feel
• Minimal shrinkage when washed cold and air dried
• If you’re between sizes, we recommend sizing up for comfort

Comfort Colors Size Chart

Comfort Colors tees have a thicker, vintage, more relaxed feel with a broken-in unisex fit.

Comfort Colors 1717 Fit Notes

• Unisex fit with a relaxed, slightly oversized feel
• Runs true to size with a roomier, more laid-back fit than standard tees
• Men: order your usual size for a relaxed fit
• Women: order your usual size for a loose, casual fit or size down for a more fitted look
• Size up 1–2 sizes for a trendy oversized style
• Medium-weight fabric with a thicker, structured feel
• Garment-dyed for a soft, lived-in look and vintage-style color
• Minimal shrinkage due to pre-shrunk fabric
• If between sizes, consider sizing down for a closer fit or up for a looser feel

What Makes This Different

Comfort Colors tees have a more relaxed, broken-in feel compared to standard t-shirts. If you prefer a lighter, more fitted style, consider our Bella + Canvas option.

Adult Sweatshirt Size Chart

A medium-weight fleece sweatshirt with a relaxed fit, perfect for layering and everyday comfort.

Gildan 18000 Fit Notes

• Unisex fit designed for both men and women
• Runs true to size with a classic, relaxed fit
• Men: order your usual size
• Women: order your usual size for a relaxed fit or size down for a more fitted look
• Size up 1–2 sizes for an oversized or cozy, layered style
• Medium-heavy fabric with a soft fleece interior
• Designed for layering over t-shirts or long sleeves
• Minimal shrinkage when washed cold and tumble dried low
• Ribbed cuffs and waistband for a structured fit
• If between sizes, we recommend sizing up for comfort

Fit Tip

For a trendy oversized look, we recommend sizing up one size. For a very loose, cozy fit, size up two sizes.

Youth T-Shirts Size Chart

Perfect for coordinating with adult and youth styles.

Bella + Canvas 3001Y  Fit Notes 

• Youth unisex fit designed for both boys and girls
• Runs true to size for most kids
• Size up for a more relaxed fit or to allow room to grow
• Lightweight and soft with a smooth, comfortable feel
• Great for everyday wear, school, and play
• Minimal shrinkage when washed cold and air dried
• If between sizes, we recommend sizing up

Parent Tip:
When in doubt, sizing up is a great option for longer wear and a more comfortable fit.

Youth Sweatshirt Size Chart

A soft, fleece-lined youth sweatshirt designed for warmth, comfort, and easy layering.

Gildan 18000B Youth Sweatshirt Fit Notes

• Youth unisex fit designed for both boys and girls
• Runs true to size with a relaxed, comfortable fit
• Size up for a roomier fit or to allow room to grow
• Medium-heavy fabric with a soft fleece interior for warmth
• Durable and made for everyday wear, school, and play
• Ribbed cuffs and waistband for a secure, stay-in-place fit
• Minimal shrinkage when washed cold and tumble dried low
• If between sizes, we recommend sizing up

Parent Tip:
For growing kids or a cozy oversized fit, sizing up is a great option.

Toddler T-Shirts Size Chart

A soft, lightweight toddler tee with a comfortable fit, perfect for everyday play and movement.

Bella + Canvas 3001T Fit Notes

• Toddler unisex fit designed for both boys and girls
• Runs true to size for most toddlers
• Lightweight, soft fabric for comfort and easy movement
• Slight stretch for a flexible, comfortable fit
• Size up for a looser fit or to allow room to grow
• Durable enough for everyday wear and play
• Minimal shrinkage when washed cold and air dried
• If between sizes, we recommend sizing up

Parent Tip:
For growing toddlers or a more relaxed fit, sizing up is a great option.

Baby Bodysuit Size Chart

A soft, cozy baby bodysuit perfect for baby shower gifts, newborn photos, and matching family outfits.

Bella + Canvas 100B Fit Notes 

• Infant unisex fit designed for babies of all sizes
• Runs true to size for most infants
• Soft, breathable fabric gentle on sensitive skin
  
• Reinforced snap closure for quick and convenient diaper changes
• Comfortable fit that allows for movement and layering
• Durable for frequent washing and everyday wear
• Minimal shrinkage when washed cold and tumble dried low
• If between sizes, we recommend sizing up

Parent Tip:
Sizing up is a great option for longer wear and extra comfort, especially for growing babies.

Perfect For:
Baby shower gifts, coming home outfits, holiday photos, and matching family sets.