Offer ends in20:17:45

25% off everything with ROBOT25. And we mean everything.

View Cart


  • 7.5 oz (250gsm) preshrunk french terry 55% cotton, 45% polyester
  • Heathered and marled fabric ringspun for softness
  • Cold wash and hang out to dry to preserve your print
  • 1 x 1 rib cuffs and crewneck band with spandex, to maintain shape
  • Raglan sleeve for a great vintage-inspired slim fit
  • Delta lightweight sweatshirts are WRAP (Worldwide Responsible Accredited Production) certified
Get 10% off when you sign up for super fun emails.
E=MC2 ? Light Speed Tee (metric)
Designed by BlueShift
*Do you remember when light only travelled this fast?* ;-) Slow Light Tee - Metric Version See more designs here -
Available on +23 products

Lightweight Sweatshirt

E=MC2 ? Light Speed Tee (metric) by BlueShift