This custom birthday shirt will get people thinking! Perfect for geeks, scientists, mathematicians, and so much more, this funny birthday t shirt will give your age, IF they can calculate the square root that is! This birthday t shirt also features mathematical formulas. Made of soft ring spun cotton and includes a cotton muslin drawstring gift bag.
Direct to garment printed using the latest technology. Soft, ring spun cotton.
Men's/Unisex Sizing:
This shirt is made from super soft ring spun cotton. Tear Away Tag Vintage colors are a poly/cotton blend. Pre-shrunk, but expect slight shrinking after 4-5 washes and dries on high heat.
Small: 28 Inches Long By 18 Inches Wide Medium: 29 Inches Long By 20 Inches Wide Large: 30 Inches Long By 22 Inches Wide X-Large: 31 Inches Long By 24 Inches Wide 2XL: 32 Inches Long By 26 Inches Wide 3XL: 33 Inches Long By 28 Inches Wide
Unisex Size Chart
 Size
Length
Width
Small
28 Inches
18 Inches
Medium
29 Inches
20 Inches
Large
30 Inches
22 Inches
X-Large
31 Inches
24 Inches
2XL
32 Inches
26 Inches
3XL
33 Inches
28 Inches
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Our unisex tee is super soft combed ring spun cotton. It is preshrunk, but expect this to shrink after 4-5 washes and dries on high heat.Â
Women's Size Chart
Our 4.3 oz. standard women's t-shirt runs a little small. This is a very fitted tee that some women may find too snug. Please check sizing below.
 Size
Length
Width
Small
25.5 Inches
17.25 Inches
Medium
26 Inches
19.25 Inches
Large
27 Inches
21.25 Inches
X-Large
28 Inches
23.25 Inches
2XL
28.5 Inches
25.25 Inches
3XL
29 Inches
27.25 Inches
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Raglan Size Chart
Our 5.1 oz. Raglan baseball style tee is super soft ringspun cotton. This tee features a scalloped hemline and contrasting sleeve.
 Size
Length
Width
Small
29 Inches
20.5 Inches
Medium
30 Inches
22 Inches
Large
31 Inches
23.5 Inches
X-Large
32 Inches
25.5 Inches
2XL
33 Inches
27.5 Inches
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Hoodie Size Chart
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Our lightweight hoodie is perfect for any season. It features metal grommets and 7.8 oz fleece blend.
