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Based on the song "Uncle Material" from our album, "Do," this here onesie is probably the most accurate onesie ever created for tiny humans! Cover up their weird little thicc bodies with these amazing pieces of Psychostick clothing!

Black, blue, or pink! SO MANY CHOICES! YARRRRGH!

  • 100% soft cotton*
  • Comfortable envelope neckline
  • Three snap leg closure

*Heather color is 52% Airlume combed and ring-spun cotton 48% poly

Size guide

  3-6M 6-12M 12-18M 18-24M
Body Width (inches) 9 3/8 9 7/8 10 3/8 10 7/8
Fits Baby Lenght (inches) 20-25 25-28 28-30 30-32
Fits Baby Weight (lbs) (lbs) 12-16 16-22 22-27 27-30

Note: This fancy piece of Psychostick merchandise is fulfilled by an outside vendor, so it might show up separately from other Psychostick stuff. Please allow 1 to 2 weeks for shipping.