DNA Tree Of Life

Rooted in DNA.

$23

Size:

Size Chart

How to Measure - T-Shirts

T-shirt measurement guide: A length, B chest, C sleeve

A. Length: From the highest point of the shoulder, beside the collar, straight down to the bottom hem.
B. Chest: Around the fullest part of the chest, keeping the tape level.
C. Sleeve: From the center back of the collar, along the top seam to the sleeve hem.

Imperial (in) Metric (cm)

Size	Length (in)	Chest (in)	Sleeve (in)
S	28	34-37	15.1
M	29	38-41	16.5
L	30	42-45	18
XL	31	46-49	19.5
2XL	32	50-53	21
3XL	33	54-57	22.4

Measured in inches, may vary up to 2" (5 cm).

Size	Length (cm)	Chest (cm)	Sleeve (cm)
S	71	86-94	38
M	74	97-104	42
L	76	107-114	46
XL	79	117-125	50
2XL	81	127-135	53
3XL	84	137-145	57

Measured in cm, may vary up to 5 cm (2").

Variant

Shipping Printed in the USA
Tracked · 3-6 business days

Also available as

Sweatshirt$35

MugFrom $19

QUANTITY

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Cotton Tees

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DETAILS

Built to outlast the joke.

Heavyweight cotton that holds its shape wash after wash. Pre-shrunk, double-stitched and taped at the neck and shoulders, with a tear-away label so nothing itches.

Heavyweight cotton

100% cotton, 5.3 oz (180 gsm). Dark Heather 50/50, Sport Grey 90/10.

No side seams

Knitted in one tube, so it hangs straight and keeps its shape.

Seamless ribbed collar

Stretchy rib knit that springs back wash after wash.

Taped shoulders

Twill tape across the shoulders stops the back stretching.

Classic unisex fit

True to size. Go one up for a relaxed look.

Print that lasts

Soft to the touch and won't crack or peel in the wash.

Care

Wash cold, 30°C
Non-chlorine bleach only
Tumble dry low
Do not iron
Do not dry clean

SIZE CHART

SHIPPING & RETURNS

Made for you, then sent your way.

Every shirt is printed when you order it, then shipped from the facility closest to you, with full tracking.

Production: 1-2 business days
US · Canada · UK: 2-6 days in transit
Europe: 2-15 days in transit
Rest of world: 7-30 days in transit
Free shipping: On any 3+ items

Something not right?

Misprinted, damaged or the wrong item? Email contact@geek-t-shirts.com within 30 days of delivery with your order number and a photo, and we'll replace it or refund you.

We can't swap sizes or colours for a change of mind, so check the Size Chart first.

Shipping policy · Refunds & returns