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Completely Irrational

6 $23.99 $48.99

Completely Irrational

Adult T-Shirt

  • Description: Shoulder to shoulder taping, Coverseamed neck, Double-needle sleeves and hem.
  • Fit: Classic Fit
  • Fabric: Heavyweight 6.1-ounce, 100% soft spun cotton
Size WIDTH LENGTH SLEEVE
SM 18" 28" 16.75"
MD 20" 29" 17.75"
LG 22" 30" 18.75"
XL 24" 31" 19.75"
2XL 26" 32" 20.75"
3XL 28" 33" 21.75"
4XL 30" 34" 22.75"
5XL 32" 35" 23.75"

Completely Irrational

Hoodie

  • Description: Crafted for comfort, this lighter weight sweatshirt is perfect for relaxing. Air jet yarn for a soft, pill-resistance finish, two-ply hood, set-in sleeves, rib knit cuffs and waistband, coverseamed neck, arm seams and waistband.
  • Fit: Classic Fit
  • Fabric: 7.8 oz 50% cotton, 50% polyester fleece.
Size WIDTH LENGTH SLEEVE
S 20" 26" 33"
M 22" 27" 34"
L 24" 28" 35"
XL 26" 29" 36"
2XL 28" 30" 37"
3XL 30" 31" 38"
4XL 32" 32" 39"
5XL 34" 33" 40"

Completely Irrational

Ladies T-Shirt

  • Description: Missy contoured silhouette with side seam, taped neck and shoulders, seamless double needle 1/2" collar and cap sleeves.
  • Fit: Classic Fit (not fitted)
  • Fabric: 5.3 oz 100% Cotton Jersey
Size WIDTH LENGTH SLEEVE
SM 17.25" 25.5" 13.25"
MD 19.25" 26" 14"
LG 21.25" 27" 14.75"
XL 23.25" 28" 15.75"
2XL 25.25" 28.5" 16.75"
3XL 27.25" 29" 17.5"

Completely Irrational

Womens Tank Top

  • Description: Carefree tank fit for any venue, layered or on its own. Features tear-away tag.
  • Fit: Classic Fit
  • Fabric: 4.3 ounce, 100% soft spun cotton
Size BUST BODY LENGTH
SM 16 1/2" 26"
MD 17 1/2" 26 1/2"
LG 18 1/2" 27 1/4"
XL 20" 28"
2XL 21 1/2" 28 1/2"
3XL 23" 29"
4XL 24 1/2" 29"
Color
Black
Royal Blue
Purple
Dark Green
Red

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Are you completely irrational for math? Show everyone your passion with this cool shirt!

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We Ship World Wide!

Shipping in the United States is $5.95 per order
Shipping to Canada is $6.95 per order
Shipping internationally is $8.95 per order
Buy 2 or more items and shipping is free!

Custom Duties, Tax and charges are not included in our base price. This is a shopper’s responsibility as each country has different Custom Duties and Laws of Taxation.

 

We want you to be satisfied with your purchase. If you have purchased in the last 30 days you can request a return if you are not satisfied. Read our return policy for more information.

Please take care when choosing sizes. Refer to our sizing guide before ordering to avoid sizing mistakes.

Custom Orders and Clearance / Imperfect / On Sale items can't be canceled after placed or returned.

Customer Reviews

Based on 6 reviews
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  • Reviews (6)

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Meredith Osborn
05/31/2017

Love the quality of this shirt, very nice heavyweight cotton

Great quality shirt - excellent customer service

Yvonne Tanner
03/01/2017

Clear and professional graphics

Nice

Kim Hegg-James
09/27/2016

The quality of the product in that it does not shrink.

Great fit, washes perfectly fine, few wrinkles out of dryer but not horrible.

Kent Tyminski
07/01/2016

clear precise monogramming and size was accurate

Product met expectations and timely delivery.

Lisa Anderson
06/21/2016

Gave it as a fathers day gift to my mathematician husband. He loved it!