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"I Didn’t Know Rocks Could Do That" Heavy Blend Unisex Crewneck Sweatshirt - the graphic up close
"I Didn't Know Rocks Could Do That" Heavy Blend Unisex Crewneck Sweatshirt
"I Didn't Know Rocks Could Do That" Heavy Blend Unisex Crewneck Sweatshirt
"I Didn't Know Rocks Could Do That" Heavy Blend Unisex Crewneck Sweatshirt
"I Didn't Know Rocks Could Do That" Heavy Blend Unisex Crewneck Sweatshirt
New

Independent edition

Unisex

"I Didn’t Know Rocks Could Do That" Heavy Blend Unisex Crewneck Sweatshirt

StyleMZ
Original designs you won't find anywhere else
Free standard shipping on 2+ items to the US, UK, EU and Japan · Usually arrives within 5–12 business daysSingle items ship from $1.99. Any extra shipping for your address is shown at checkout.
Ships with tracking

From$42.95 USD

Earn 2% back in store credit (from $0.86) How it works

  • A robot arm prods a split lava boulder and finds a glowing orange core, and the only reasonable reaction is spelled out right below it
  • It’s nerdy and a little deadpan, and it’s for anyone who has ever stopped on a hike to pick up a rock
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PLACEMENTFront + Back print

Model is 5′9″ (175 cm) and wears size S.

Original artwork
Sharp, lasting print
Tracked delivery
Estimated delivery: Oct 23 – Nov 3 5–12 business days from order, including production. The delivery estimate at checkout takes priority. Weekends are excluded; public holidays, customs and remote-area delivery may extend these estimates.

© StyleMZ · Original Design. Reproduction prohibited.

Not fast fashion

Original artwork you won't find on marketplaces. Every design is drawn in-house.
A name-brand garment. Printed on Gildan, not an unbranded copy.
Made close to you. Produced at a print facility near you whenever possible, with tracked delivery.
First order? The size is covered. If it does not fit, we remake it in another size at 35% off
If it arrives wrong, we fix it. Free reprint or refund for damage or misprints
Secure checkout — payments encrypted and processed by Stripe
SKU: SM-1344903 Categories: , , , , , Tags: , , , , , , , , Brand:

At a glance

Texture / fit
Classic relaxed unisex fit with ribbed collar, cuffs and waistband.
Size
S / M / L / XL / 2XL / 3XL
Material / key ingredients
50% cotton and 50% polyester Heavy Blend fleece, 8.0 oz/yd² (271 g/m²), made with air-jet spun yarn.
How to use
Machine wash cold, inside out, on a gentle cycle with like colours. Use non-chlorine bleach only when needed; tumble dry low or hang dry.

“I Didn't Know Rocks Could Do That” — Heavy Blend Unisex Crewneck Sweatshirt

Classic relaxed unisex fit with ribbed collar, cuffs and waistband. 50% cotton and 50% polyester Heavy Blend fleece, 8.0 oz/yd² (271 g/m²), made with air-jet spun yarn.

Design story & product details

On a heavy fleece crewneck sweatshirt, the ink goes down flat and dense, so the molten orange core of a split lava boulder reads hot against all that cool slate gray rock. A jointed robot arm, its lamp glowing, pokes the boulder with a probe, and the line underneath says what it found: I didn’t know rocks could do that.

The cracked, stony orange word Rocks is the detail I’d buy it for. It suits the earth science teacher who still gets excited about ropey lava.

Size chart

Heavy Blend Unisex Crewneck Sweatshirt · Gildan 18000 · classic unisex fit, 8 oz 50/50 fleece — garment laid flat, in / cm

Size Chest Length Sleeve
S 20″ 50.8 cm 27″ 68.6 cm 33.5″ 85.1 cm
M 22″ 55.9 cm 28″ 71.1 cm 34.5″ 87.6 cm
L 24″ 61.0 cm 29″ 73.7 cm 35.5″ 90.2 cm
XL 26″ 66.0 cm 30″ 76.2 cm 36.5″ 92.7 cm
2XL 28″ 71.1 cm 31″ 78.7 cm 37.5″ 95.3 cm
3XL 30″ 76.2 cm 32″ 81.3 cm 38.5″ 97.8 cm

Manufacturer specification; allow a tolerance of about 1 in (2.5 cm). Chest is measured pit to pit, length from the highest point of the shoulder.


Product details

Materials & fit

50% cotton and 50% polyester Heavy Blend fleece, 8.0 oz/yd² (271 g/m²), made with air-jet spun yarn.

Classic relaxed unisex fit with ribbed collar, cuffs and waistband.

Print placement

Artwork on the front and the back, as shown in the photos.

Care

  • Machine wash cold, inside out, on a gentle cycle with like colours.
  • Use non-chlorine bleach only when needed; tumble dry low or hang dry.
  • Do not iron the print and do not dry clean.

Delivery & returns

Ships with tracking; the delivery estimate for your country is shown on this page. If it arrives damaged or misprinted, tell us within 7 days and we reprint or refund it. First order and the size is wrong? We remake it in another size at 35% off.

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