Offer ends in07:29:03

20% off sitewide. It’s savings time, baby. Use BLUE20

View Cart


  • Solid color t-shirts are 100% cotton; heather grey is 90% cotton, 10% polyester; charcoal heather is 52% cotton, 48% polyester
  • Ethically sourced
  • Slim fit, but if that’s not your thing, order a size up
  • 4.2 oz (145g), but if that’s too light, try our heavier Classic T-Shirt
Get 10% off when you sign up for super fun emails.
FIR filter
Designed by xGatherSeven
Digital signal processing uses FIR filters and IIR filters. The electrical engineer has a DSP for the filter bank. Signal processing comes from electrical engineering and electronics.
Available on +55 products

Unisex T-Shirt

FIR filter by xGatherSeven