BYU Cougars Proud Owner Of One Braincell Shirt

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Size Guide

Size Chart & Product Information

Measurements are for the garment laid flat. Width is measured across the front, not around the body. Centimeters are converted from inches and rounded to one decimal place. Use the chart for the exact product code you order. Size availability may vary by color.
SIZE WIDTH LENGTH
S 18 in 28 in
M 20 in 29 in
L 22 in 30 in
XL 24 in 31 in
2XL 26 in 32 in
3XL 28 in 33 in
4XL 30 in 34 in
5XL 32 in 35 in
SIZE WIDTH LENGTH
S 45.7 cm 71.1 cm
M 50.8 cm 73.7 cm
L 55.9 cm 76.2 cm
XL 61.0 cm 78.7 cm
2XL 66.0 cm 81.3 cm
3XL 71.1 cm 83.8 cm
4XL 76.2 cm 86.4 cm
5XL 81.3 cm 88.9 cm

Product Information

  • Fabric weight: 5.3 oz.
  • Solid colors: 100% cotton. Ash Grey: 99% cotton / 1% polyester; Sport Grey: 90% cotton / 10% polyester; Dark Heather: 50% cotton / 50% polyester.
  • Classic unisex fit with reinforced neck and shoulder seams and a removable label.
  • 6XL is offered in select colors; it is excluded here because the published chart has an inconsistent length value.
  • Print method: DIGISOFT®.
SIZE WIDTH LENGTH
S 17.25 in 25.5 in
M 19.25 in 26 in
L 21.25 in 27 in
XL 23.25 in 28 in
2XL 25.25 in 28.5 in
3XL 27.25 in 29 in
SIZE WIDTH LENGTH
S 43.8 cm 64.8 cm
M 48.9 cm 66.0 cm
L 54.0 cm 68.6 cm
XL 59.1 cm 71.1 cm
2XL 64.1 cm 72.4 cm
3XL 69.2 cm 73.7 cm

Product Information

  • Preshrunk cotton construction. Ash Grey: 99% cotton / 1% polyester; Sport Grey: 90% cotton / 10% polyester; Dark Heather and Graphite Heather: 50% cotton / 50% polyester.
  • Scoop neckline and a slightly tapered, side-seamed fit.
  • Double-needle stitching with a seamless ribbed neckline.
  • Print method: DIGISOFT®.
SIZE WIDTH LENGTH
S 20 in 26 in
M 22 in 27 in
L 24 in 28 in
XL 26 in 29 in
2XL 28 in 30 in
3XL 30 in 31 in
4XL 32 in 32 in
5XL 34 in 33 in
SIZE WIDTH LENGTH
S 50.8 cm 66.0 cm
M 55.9 cm 68.6 cm
L 61.0 cm 71.1 cm
XL 66.0 cm 73.7 cm
2XL 71.1 cm 76.2 cm
3XL 76.2 cm 78.7 cm
4XL 81.3 cm 81.3 cm
5XL 86.4 cm 83.8 cm

Product Information

  • Fabric weight: 8 oz. Current CustomCat listing: 55% cotton / 45% polyester.
  • Air-jet yarn gives the fleece a softer surface.
  • Ribbed cuffs and waistband include spandex; seams use double-needle stitching.
  • Care: machine wash cold and tumble dry low.
  • Print method: DIGISOFT®.
SIZE WIDTH LENGTH
S 20 in 27 in
M 22 in 28 in
L 24 in 29 in
XL 26 in 30 in
2XL 28 in 31 in
3XL 30 in 32 in
4XL 32 in 33 in
5XL 34 in 34 in
SIZE WIDTH LENGTH
S 50.8 cm 68.6 cm
M 55.9 cm 71.1 cm
L 61.0 cm 73.7 cm
XL 66.0 cm 76.2 cm
2XL 71.1 cm 78.7 cm
3XL 76.2 cm 81.3 cm
4XL 81.3 cm 83.8 cm
5XL 86.4 cm 86.4 cm

Product Information

  • Fabric weight: 8 oz. Current CustomCat listing: 55% cotton / 45% polyester.
  • Unisex pullover with a front pouch pocket and double-needle stitching.
  • Air-jet yarn creates a smooth surface with reduced pilling.
  • Care: machine wash cold and tumble dry low.
  • Print method: DIGISOFT®.
SIZE WIDTH LENGTH
S 18 in 28 in
M 20 in 29 in
L 22 in 30 in
XL 24 in 31 in
2XL 26 in 32 in
3XL 28 in 33 in
SIZE WIDTH LENGTH
S 45.7 cm 71.1 cm
M 50.8 cm 73.7 cm
L 55.9 cm 76.2 cm
XL 61.0 cm 78.7 cm
2XL 66.0 cm 81.3 cm
3XL 71.1 cm 83.8 cm

Product Information

  • Fabric weight: 5.3 oz. Preshrunk cotton jersey; Sport Grey: 90% cotton / 10% polyester.
  • Seamless 7/8-inch collar with double-needle stitching.
  • Reinforced neck and shoulder seams and a double-needle bottom hem.
  • The current product page lists S through 3XL.
  • Print method: DIGISOFT®.
SIZE WIDTH LENGTH
YXS 16 in 20.5 in
YS 17 in 22 in
YM 18 in 23.5 in
YL 19 in 25 in
YXL 20 in 26.5 in
SIZE WIDTH LENGTH
YXS 40.6 cm 52.1 cm
YS 43.2 cm 55.9 cm
YM 45.7 cm 59.7 cm
YL 48.3 cm 63.5 cm
YXL 50.8 cm 67.3 cm

Product Information

  • Fabric weight: 5.3 oz. Solid colors: 100% cotton.
  • Ash: 99% cotton / 1% polyester; Sport Grey: 90% cotton / 10% polyester; Dark Heather: 50% cotton / 50% polyester.
  • Seamless 3/4-inch collar with double-needle stitching, reinforced shoulder seams and a removable label.
  • Print method: DIGISOFT®.
SIZE WIDTH LENGTH
XS 16.25 in 26 in
S 18.25 in 27 in
M 20.25 in 28 in
L 22.25 in 29 in
XL 24.25 in 30 in
2XL 26.25 in 31 in
SIZE WIDTH LENGTH
XS 41.3 cm 66.0 cm
S 46.4 cm 68.6 cm
M 51.4 cm 71.1 cm
L 56.5 cm 73.7 cm
XL 61.6 cm 76.2 cm
2XL 66.7 cm 78.7 cm

Product Information

  • Bella + Canvas 3480 is a unisex jersey tank with side seams.
  • Standard fabric: 4.2 oz., 100% combed ring-spun cotton.
  • Athletic Heather: 90% cotton / 10% polyester; Dark Grey Heather: 52% cotton / 48% polyester.
  • Triblend colors: 3.8 oz., 50% polyester / 25% cotton / 25% rayon.
  • The current product page lists XS through 2XL.
  • Print method: DIGISOFT®.
SIZE WIDTH LENGTH
XS 15.25 in 18.25 in
S 15.875 in 19.25 in
M 16.5 in 19.75 in
L 17.375 in 20.375 in
XL 18.25 in 21 in
2XL 19.125 in 21.625 in
SIZE WIDTH LENGTH
XS 38.7 cm 46.4 cm
S 40.3 cm 48.9 cm
M 41.9 cm 50.2 cm
L 44.1 cm 51.8 cm
XL 46.4 cm 53.3 cm
2XL 48.6 cm 54.9 cm

Product Information

  • Fabric weight: 3.7 oz. Standard blend: 65% polyester / 35% viscose.
  • Athletic Heather: 52% polyester / 48% viscose.
  • Draped silhouette with a round neckline and racerback.
  • CustomCat describes this style as running small and recommends one size up for a fuller fit.
  • Length is measured on the front, from the lowest point of the neckline to the bottom seam.
  • Print method: DIGISOFT®.
SIZE WIDTH LENGTH
YS 17 in 21.25 in
YM 18 in 22.5 in
YL 19 in 24 in
YXL 20 in 25.5 in
SIZE WIDTH LENGTH
YS 43.2 cm 54.0 cm
YM 45.7 cm 57.2 cm
YL 48.3 cm 61.0 cm
YXL 50.8 cm 64.8 cm

Product Information

  • Fabric weight: 7.75 oz.; 50% cotton / 50% polyester.
  • Youth hoodie without a drawcord.
  • CustomCat recommends one or two sizes up for a fuller fit; compare garment measurements before selecting a size.
  • Print method: DIGISOFT®.
  • $0.00
Quantity:

Find your perfect fit before ordering. Check our Size Guide to ensure the best fit and reduce the need for returns.

Estimated arrival: Place your order today (standard shipping method) to receive the product(s) within Nov 04 - Nov 09

Oct 26

Oct 28 - Oct 30

Nov 04 - Nov 09

SKU: LYB82CAO Categories: , , Tag:

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Looking for the perfect gift for the BYU student or die-hard alum in your life? The BYU Football “Proud Owner Of One Braincell” Shirt is the hilarious, relatable apparel they didn’t know they needed. Whether they are surviving finals week in Provo or stressing over the Big 12 Bowl projections, this tee captures the “head-empty, just vibes” mood of December 2025.

BYU Cougars Proud Owner Of One Braincell Shirt } SHow Your Fan Gear

Let’s be honest: surviving a rollercoaster football season in the Big 12 takes a toll. Sometimes, the only way to cope with the stress of the transfer portal, questionable play-calling, or heart-stopping overtime thrillers is to laugh at yourself. The shirt is designed for the fan who loves the team unconditionally but isn’t afraid to admit that fandom makes us all a little irrational sometimes.

Featuring the viral “One Braincell” slogan in bold, retro-inspired serif typography, this shirt pokes fun at the “hive mind” of the student section. It’s a witty nod to internet culture that separates you from the sea of generic navy jerseys. Whether you’re cheering at LaVell Edwards Stadium or watching from your couch, this shirt signals that you’re here for the fun, the memes, and the Cougars—even when you have no idea what’s going on.

BYU Cougars Proud Owner Of One Braincell Shirt 4 1
BYU Cougars Proud Owner Of One Braincell Shirt 4 1

Product Specifications:

  • Classic T‑Shirt (G500): 5.3 oz, 100% cotton for everyday comfort; Ash is 99% cotton and 1% polyester, Sport Grey 90% cotton and 10% polyester.
  • Ladies T‑Shirt: 100% preshrunk cotton; Ash Grey is 99% cotton and 1% polyester, with a feminine scoop neck and slightly tapered fit.
  • Crewneck Sweatshirt (G180): 8 oz fleece made from a soft 50% cotton and 50% polyester blend for warmth and durability.
  • Pullover Hoodie (G185): 5.3-ounce, 100% cotton (99/1 cotton/poly (Ash) & 90/10 cotton/poly (Sport Grey)
  • Long Sleeve T‑Shirt: 5.3 oz, 100% cotton; Ash is 99% cotton and 1% polyester, Sport Grey 90% cotton and 10% polyester for added softness.
  • Youth T‑Shirt: 5.3 oz, 100% preshrunk cotton; Ash is 99% cotton and 1% polyester, Sport Grey 90% cotton and 10% polyester for easy everyday wear.
  • Men’s Tank Top: 5.3 oz, 100% cotton with taped neck and shoulders and a tearaway label for extra comfort.
  • Women’s Tank Top: 4 oz fabric, 60% combed ring‑spun cotton and 40% polyester jersey, laundered to reduce shrinkage and designed with a flattering fit.
Sizes: Available in sizes S to 5XL to cater to various body types. Colors: Choose from a variety of colors depending on the selected style.

Kindly review your personalized details attentively, as numerous orders have arrived incomplete. Note that we exclusively dispatch to valid street addresses.

Grishko collaborates with reputable shipping partners, including UPS, USPS, DHL, and Yun Express, Yanwen.

SHIPPING POLICY

WHAT ARE THE SHIPPING COSTS?

Within the U.S., shipping is priced at 5.99 USD.

International shipping rates start from 13 USD.

WHERE DO WE SHIP?

We offer global delivery services.

Shipping time

US Regions:

Item Handling time (Mon-Fri) Shipping time ( Mon-Fri )
Apparel 1-3 days 3 -7 days
Mug 2-3 days 3-7 days
Poster, Canvas 1-3 days 3 -7 days
Hats 2-3 days 6-8 days
Bedding 3-5 days 7-10 days
3D Clothing, Hawaiian shirt… 3-5 days 8-12 days

Other Countries:

Handling time (Mon-Fri): 3-5 days

Shipping time ( Mon-Fri ): 15-25 days.

Note: Please be advised that shipping times may be influenced by public holidays, destination countries, and courier services.

Delivered

Total delivery time= Handling time + Shipping time

Although we provide estimated shipping times, it’s prudent not to plan your delivery too close to your deadline as unforeseen delays, beyond our control, may occur. Please allow extra time to accommodate such circumstances. While we strive to ensure timely delivery, we cannot be held liable for delays caused by external factors like shipping carriers, weather, holidays, customs clearance, or inaccurate delivery information.

If you encounter any issues with your order or need to make adjustments, feel free to reach out to us at [email protected]. Our team is dedicated to assisting you and resolving any concerns you may have.

Regarding multiple shipping addresses, we regret to inform you that we do not currently support this feature. If you require items to be delivered to different addresses, we kindly ask you to place separate orders for each destination.

Shipping is available to P.O. Box addresses; however, we are currently unable to deliver to military APO/FPO locations.

Regarding VAT taxes, please note that international shipments from the US are sent DDU (Delivered Duty Unpaid), and we do not collect VAT at the time of purchase. The recipient is responsible for any applicable taxes, duties, or customs fees upon receiving the package. Local customs or VAT charges may apply, and we recommend contacting your customs office for further details on your country’s policies.

 
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BYU Cougars Proud Owner Of One Braincell Shirt BYU Cougars Proud Owner Of One Braincell Shirt
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4.9
Based on 27 reviews
5 star
89
89%
4 star
11
11%
3 star
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1-5 of 27 reviews
  1. C
    Cathy
    Verified owner
    Grishko.comGrishko.com

    The Jersey is great

  2. CB
    Claude B.
    Verified owner
    Grishko.comGrishko.com
  3. NK
    Nathan K.
    Verified owner
    Grishko.comGrishko.com

    Wow, all three! Website was standard e-commerce, customer service promptly responded to my questions twice — though a bit indirectly, delivery tracking was a bit of a black box but once item cleared New Jersey customs I knew it was on its way.

  4. CS
    Charles Stevens
    Verified owner
    Grishko.comGrishko.com
  5. B
    Barbara
    Verified owner
    Grishko.comGrishko.com

    Reliable site. Delivery time as quoted Good customer support