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Brain Sweatshirt featuring the digital art A Rare Gem by Mark Armstrong

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A Rare Gem Sweatshirt






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Our hoodies are made from a 75% cotton / 25% polyester blend and are available in five different sizes.   All hoodies are machine washable.

Ships Within

1 - 2 business days

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Additional Products

A Rare Gem by Mark Armstrong

View All & Comment

A Rare Gem Canvas Print

Canvas Print

A Rare Gem Framed Print

Framed Print

A Rare Gem Art Print


A Rare Gem Poster


A Rare Gem Metal Print

Metal Print

A Rare Gem Acrylic Print

Acrylic Print

A Rare Gem Wood Print

Wood Print

A Rare Gem Greeting Card

Greeting Card

A Rare Gem IPhone Case

Phone Case

A Rare Gem Throw Pillow

Throw Pillow

A Rare Gem Duvet Cover

Duvet Cover

A Rare Gem Shower Curtain

Shower Curtain

A Rare Gem Tote Bag

Tote Bag

A Rare Gem Round Beach Towel

Round Beach Towel

A Rare Gem Carry-all Pouch

Carry-All Pouch

A Rare Gem Beach Towel

Beach Towel

A Rare Gem Weekender Tote Bag

Weekender Tote Bag

A Rare Gem Portable Battery Charger

Portable Battery Charger

A Rare Gem Bath Towel

Bath Towel

A Rare Gem Men's T-Shirt (Athletic Fit)


A Rare Gem Coffee Mug


A Rare Gem Yoga Mat

Yoga Mats

A Rare Gem Spiral Notebook

Spiral Notebooks

A Rare Gem Fleece Blanket

Fleece Blankets

A Rare Gem Tapestry


Sweatshirt Tags

sweatshirts brain thought thinking consume eat chew devour food diet life noise input sensory overload garbage

Digital Art Tags

digital art brain thought thinking consume eat chew devour food diet life noise input sensory overload garbage

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Sweatshirt Reviews (96)

Average Rating (4.76 Stars):

October 11th, 2019

Beautiful artwork on a comfortable hoodie. Received lots of compliments

August 25th, 2019

Delighted with our purchase for a special birthday. Excellent quality, timely delivery and good feedback on the delivery as it travelled from America to New Zealand.

August 23rd, 2019

Disappointing quality. There are white flecks throughout the image that aren't a part of the original artwork.

August 16th, 2019

It states on the invoice $5 for shipping? Your email said that shipping was free:- The t-shirt and the shipping will be free! Please note - you'll still be asked to enter in your credit card details or Paypal address, but don't worry, you won't be charge, at all, for the order. Your discount code expires in 30 days, so please make sure to place your order as soon as possible"

August 1st, 2019


May 25th, 2019

Man alive,this is nice!!!

Artist's Description

Poster and/or Love or Birthday card design. Suggested inside greeting: "That would be YOU." or: "Happy birthday to my priceless treasure."

About Mark Armstrong

Mark Armstrong

I specialize in humorous illustration. I've been a full-time commercial illustrator for almost 25 years. I'm open to commissions: caricatures, inside jokes, something personal. Just drop me an email to discuss. I went thru a period where I experimented a lot with photo-illustration. You'll find some in my galleries. I enjoyed it, but decided it's not for me. My work is much stronger when I draw every element in an illustration. I was a math major in college. I taught school, worked in a bank, and did systems analysis at an insurance company before making the jump to commercial illustration. I live in southwestern New Hampshire, USA, in a little town of about a thousand people. Great place to live if you like to bike, hike,...

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Satisfaction Guarantee

Our return policy is very simple:


If you're not happy with a purchase that you made on FineArtAmerica.com, for any reason, you can return it to us within 30 days of the order date.   As soon as it arrives, we'll issue a full refund for the entire purchase price.   Please note - Fine Art America does not reimburse the outgoing or return shipping charges unless the return is due to a defect in quality.


Fine Art America sells thousands of pieces of artwork each month - all with a 100% money-back guarantee.   We take great pride in the fact that hundreds of thousands of artists have chosen Fine Art America to fulfill their orders, and we look forward to helping you select your next piece!


All sweatshirts ship from our production facility within 1 - 2 business days of your order.