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"By Who Knows" Heavyweight Unisex Crewneck T-shirt
"By Who Knows" Heavyweight Unisex Crewneck T-shirt - the graphic up close
"By Who Knows" Heavyweight Unisex Crewneck T-shirt
"By Who Knows" Heavyweight Unisex Crewneck T-shirt
"By Who Knows" Heavyweight Unisex Crewneck T-shirt
"By Who Knows" Heavyweight Unisex Crewneck T-shirt
"By Who Knows" Heavyweight Unisex Crewneck T-shirt
"By Who Knows" Heavyweight Unisex Crewneck T-shirt
"By Who Knows" Heavyweight Unisex Crewneck T-shirt

"By Who Knows" Heavyweight Unisex Crewneck T-shirt

Original designs you won't find anywhere else

From$41.95 USD

+ $2.99 shipping · $1.99 for 2 · free with 3+ items

Buy 3+, save 15% on any mix of designs

Earn 2% back in store credit (from $0.84) How it works

  • Five chairs anchor a tightly layered crowd, while shoes and chair legs break into the open ground at its edges
  • Uneven black lettering turns the framed group into a pair of visual questions
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PLACEMENTFront + Back print

Model is 6′3″ (190 cm) and wears size M.

Free size exchange on your first order · How it works

Designed in Korea
Sharp, lasting print
Printed & shipped from Korea
Estimated delivery: Nov 6 – 24 Weekends are excluded; public holidays, customs and remote-area delivery may extend these estimates.

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.
Ships from the US. Tracked delivery.
Free size exchange on your first order. Wrong size? We send the right one, free
If it arrives wrong, we fix it. Free reprint or refund for damage or misprints
Secure checkout — payments encrypted and processed by Stripe

At a glance

Who it's for
People who like expressive characters, vintage print textures, and offbeat humor
Main benefit
Heavyweight graphic T-shirt for durable, all-day cotton comfort with detailed illustrated artwork
Fit
Classic regular unisex fit with set-in sleeves, a rib-knit collar and taped neck and shoulders.
Material
Solid colours are 100% cotton; heathers are cotton-polyester blends. Heavyweight 6.0 oz/yd² (203 g/m²) jersey.
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.

“By Who Knows” — Heavyweight Unisex Crewneck T-shirt

Classic regular unisex fit with set-in sleeves, a rib-knit collar and taped neck and shoulders. Solid colours are 100% cotton; heathers are cotton-polyester blends. Heavyweight 6.0 oz/yd² (203 g/m²) jersey.

Design story & product details

White space frames a crowded illustrated assembly on the Heavyweight Unisex Crewneck T-shirt. Five seated figures make up the nearest row, their chair legs and shoes dropping clear of the packed torsos behind them.

Brimmed hats, caps, and wrapped headwear meet patterned jackets and plain suits, with small changes in line and colour separating people whose shoulders nearly meet.

Size chart

Classic Heavyweight T-Shirt · classic unisex fit, 6 oz cotton — garment laid flat, in / cm

SizeChestLength
S18" 45.7 cm27.4" 69.5 cm
M20" 50.8 cm28.3" 72.0 cm
L22" 55.9 cm29.3" 74.5 cm
XL24" 61.0 cm30.3" 77.0 cm
2XL26" 66.0 cm31.5" 80.0 cm
3XL28" 71.1 cm32.3" 82.0 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

Thick, sturdy everyday cotton, heavier than a typical fashion tee, so it drapes well and keeps its shape wash after wash.

Solid colours are 100% cotton; heathers are cotton-polyester blends. Heavyweight 6.0 oz/yd² (203 g/m²) jersey.

Classic regular unisex fit with set-in sleeves, a rib-knit collar and taped neck and shoulders.

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

Designed and printed in Korea, then shipped from Korea 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 send the right size free, shipping included.