365 In Love
Big Nerd Lil Nerd Dad Baby Matching Baseball Shirts
Big Nerd Lil Nerd Dad Baby Matching Baseball Shirts
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Can't get enough of your little one? Matching T-shirts for dad and baby are the perfect gift for new dads. These tees are designed for baby boys, but you can also find matching T-shirts for new dads.
Design:
- Print - "Big Nerd" text and image + "Lil Nerd" text and image
- Color - Black and white (black print)
Our matching t-shirts come in many cute and funny designs and are conceptualized and processed in California. Not only do they guarantee comfort, but the tees come with three snap fasteners that make it easy to put on and take off your little one. They're perfect gifts for baby showers, Father's Day, and even dad's birthday. Start shopping today at 365 In Love!
- SOFT FABRIC - Made of 100% ring-spun cotton; high quality, enzyme-washed lightweight material; eco-friendly water-base printing ink (2 tops per order)
- LAUNDRY INSTRUCTIONS - Wash inside out in cold water. Natural air-drying is recommended
- NO RETURN/EXCHANGE - Please make sure all of the options you choose and the info you provide are accurate prior to purchasing our products. Please note that due to different computer monitors/calibrations, colors may vary slightly from photos
Sizing Chart
Sizing Chart
All size measurements are in inches.
Unisex/ Pet | Men | Women | Baby/ Infant/ Youth |
Hoodie | T-Shirt | T-Shirt | Bodysuit |
Sweatshirt | Tank Top | Tank Top | T-Shirt |
Muscle Tee | Muscle Tee | Baseball Bodysuit | |
Pet Baseball Tee | Baseball Tee | Baseball Tee | Baseball Tee |
Pet T-Shirt | Crop Top |
Men's T-Shirt
Width (a) | Length (b) | Chest (c) | |
S | 18.00" | 28.00" | 35.00" |
M | 20.00" | 29.00" | 37.00" |
L | 22.00" | 30.00" | 39.00" |
XL | 24.00" | 31.00" | 41.00" |
2XL | 26.00" | 32.00" | 43.00" |
3XL | 28.00" | 33.00" | 45.00" |
Women's T-Shirt (Fitted)
Tip: Our women's shirts run smaller than the US standard size. For a closer fit, order 1-2 sizes up. The best way to get the right size is to measure a shirt you own and compare the width and chest sizes to our size chart.
Width (a) | Length (b) | Chest (c) | |
S | 16.00" | 25.00" | 34.00" |
M | 17.00" | 26.00" | 35.00" |
L | 18.00" | 27.00" | 36.00" |
XL | 19.00" | 28.00" | 37.00" |
2XL | 20.00" | 29.00" | 38.00" |
Unisex Hoodie
Width (a) | Length (b) | Chest (c) | |
XS | 19.25" | 24.50" | 33.00" |
S | 19.50" | 24.75" | 35.00" |
M | 20.75" | 26.75" | 37.00" |
L | 23.25" | 27.50" | 39.00" |
XL | 25.25" | 29.25" | 43.00" |
2XL | 26.50" | 29.75" | 45.00" |
Unisex Sweatshirt
Width (a) | Length (b) | Chest (c) | |
XS | 19.75" | 25.25" | 33.00" |
S | 20.00" | 26.50" | 35.00" |
M | 21.50" | 27.75" | 37.00" |
L | 23.25" | 28.50" | 39.00" |
XL | 24.50" | 28.75" | 43.00" |
2XL | 26.50" | 30.25" | 45.00" |
Men's Tank Top
Width (a) | Length (b) | Chest (c) | |
S | 18.00" | 28.00" | 35.00" |
M | 20.00" | 29.00" | 37.00" |
L | 22.00" | 30.00" | 39.00" |
XL | 24.00" | 31.00" | 41.00" |
2XL | 26.00" | 32.00" | 43.00" |
Women's Tank Top
Width (a) | Length (b) | |
S | 15.00" | 27.00" |
M | 16.00" | 28.00" |
L | 17.00" | 29.00" |
XL | 18.00" | 30.00" |
2XL | 19.00" | 31.00" |
Men's Muscle Tee
Width (a) | Length (b) | Chest (c) | |
S | 18.50" | 28.00" | 35.00" |
M | 20.00" | 29.00" | 37.00" |
L | 22.00" | 30.00" | 39.00" |
XL | 24.00" | 31.00" | 41.00" |
2XL | 26.00" | 32.00" | 43.00" |
Women's Muscle Tee
Width (a) | Length (b) | Chest (c) | |
S | 16.50" | 25.00" | 34.00" |
M | 17.25" | 26.00" | 35.00" |
L | 18.25" | 27.00" | 36.00" |
Women's Crop Top
Width (a) | Length (b) | Chest (c) | |
S | 16.25" | 22.00" | 34.00" |
M | 17.25" | 22.50" | 35.00" |
L | 18.25" | 23.50" | 36.00" |
Men's Baseball Tee
Chest | Waist | |
S | 34-36" | 28-30" |
M | 38-40" | 32-34" |
L | 42-44" | 36-38" |
XL | 46-48" | 40-42" |
2XL | 50-52" | 44-46" |
3XL | 54-56" | 48-50" |
Women's Baseball Tee
Numeric | Bust | Waist | |
S | 2-4 | 30-34" | 26-30" |
M | 6 | 34-36" | 30-32" |
L | 8-10 | 36-40" | 34-38" |
XL | 12-14 | 40-44" | 38-42" |
2XL | 16-18 | 44-48" | 42-46" |
Youth Baseball Tee
Height | Chest | Waist | |
XS | 41-49 | 22-24 | 22-23 |
S | 50-52 | 24-26 | 23-24 |
M | 53-57 | 27-29 | 25-27 |
L | 58-61 | 30-32 | 28-30 |
XL | 62-65 | 33-35 | 31-33 |
Baby Bodysuit
Width (a) | Length (b) | |
6 Months | 9.5" | 12" |
12 Months | 10.5" | 13" |
18 Months | 11.5" | 14" |
24 Months | 12.5" | 15" |
Baby Baseball Bodysuit
Age | Height | Weight | |
6 Months | 3-6 M | 22-24" | 10-16 lbs |
12 Months | 6-12 M | 25-28" | 17-20 lbs |
18 Months | 12-18 M | 29-31" | 21-24 lbs |
24 Months | 18-24 M | 32-34" | 24-27 lbs |
Infant T-Shirt
Width (a) | Length (b) | |
6 Months | 9.5" | 12" |
12 Months | 10.5" | 13" |
18 Months | 11.5" | 14" |
24 Months | 12.5" | 15" |
Pet T-Shirt
Neck (a) | Length (b) | Chest (c) | |
S | 8.50" | 8.75" | 13.00" |
M | 10.00" | 10.00" | 14.50" |
L | 10.50" | 11.00" | 16.50" |
XL | 12.00" | 13.00" | 19.00" |
2XL | 15.00" | 14.00" | 21.00" |
Pet Baseball Tee
Neck (a) | Length (b) | Chest (c) | |
XS | 9.0" | 8.5" | 13.0" |
S | 10.0" | 10.0" | 15.0" |
M | 11.5" | 11.5" | 17.0" |
L | 13.0" | 13.0" | 19.0" |
XL | 15.0" | 15.0" | 22.0" |
Washing Instructions
Washing Instructions

- Sort and wash laundry by fabric type and color
- Wash clothes inside out
- Wash in cold water
- Air fluff setting, or simply hang them dry
- Natural air drying is recommended
Shipping & Returns
Shipping & Returns
Please refer to our shipping policy or return policy.
