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Demo day merch: what YC startups actually order

Published by · · 6 min read

What four Y Combinator startups ordered for their batches, how fast founder-team runs really move, and how to plan merch backward from demo day.

Key takeaways

  • Every YC startup run in the blankup portfolio (screenpipe, Ontora, Manicule, Pairio) was produced in a five-day window.
  • Founder-team orders are small: real YC runs ranged from 3 to 24 pieces, and the minimum is 3 pieces per style and color.
  • Start 4-6 weeks before demo day for a standard 3-4 week decorated run; rush runs with in-stock blanks and print-ready artwork can land in 5-7 business days.
  • Published package totals like the Mini Starter and Startup Team Kit anchor a budget; exact pricing is confirmed on a written quote, usually within one business day.

What YC teams actually order

Most demo day merch advice is written by people who have never produced a batch run. This guide is built from four real ones. Every YC startup order in our portfolio shipped in a five-day production window, and none of them looked like conference swag:

  • screenpipe (S26): white tees and dad caps, all embroidery, one small black mark. Quiet enough for a founder to wear on stage.
  • Ontora (P26): 23 pieces across caps, tees, and hoodies, all black with clean white branding. Their team wore the set on stage at their batch.
  • Manicule (P26): 24 pieces with a quiet embroidered front and a full DTG back graphic, built for conferences and DevRel.
  • Pairio (P26): 3 embroidered quarter-zips, one per founder. The entire order.

The pattern across all four: one colorway, restrained placement, embroidery where it reads premium, and quantities matched to the actual team rather than a pallet of giveaways.

Start smaller than you think

A YC batch team is usually two to four people, and the merch that works at that size is a kit, not a crate. Our minimum is 3 pieces per style and color, so a founders-only run is a real option, not a compromise: Pairio's three quarter-zips got the same blanks, the same embroidery, and the same checks as a 500-piece drop. If investors, early hires, or batchmates are on the list, 12 to 50 pieces covers almost every demo day scenario we have produced.

Planning backward from demo day

Standard decorated production runs 3-4 weeks, so starting 4-6 weeks out is comfortable. Batch life rarely works that way, which is why it matters that every YC run above was a five-day production window: with an in-stock blank and print-ready artwork, rush production can land simple runs in 5-7 business days. The full breakdown of where the time goes is in the timeline guide. Check your own date:

When do you need them in hand?

An honest read of your timeline against our published production windows.

What it costs

Exact pricing is always quoted, but we publish estimated totals for fixed starter packages so you can sanity-check a budget before you ask. The two that match founder-team scale:

Mini Starter

12 pieces

6 tees, 3 hoodies, 3 caps

$350-$475

Estimated package total, not a per-piece price. Start from this package.

Startup Team Kit

50 pieces

25 tees, 10 hoodies, 15 caps

$950-$1,200

Estimated package total, not a per-piece price. Start from this package.

Every published range lives on the pricing guide, and exact numbers come back on a written quote, usually within one business day.

Design notes from runs that worked

  • Keep the front quiet. Every run above used a small chest or cap mark; the loud statement, when there was one, went on the back.
  • Embroidery reads premium. Three of the four runs were all embroidery. On caps, fleece, and quarter-zips it outlasts and outclasses a print; here is how to choose.
  • One colorway makes it a set. Caps, tees, and hoodies in the same color read as a brand; mixed colors read as leftovers.
  • Make what people keep. The broader thinking on swag that survives the drawer is in startup swag people actually wear.

Lock your batch date in writing

Request a quote with your demo day or event date and you'll get written pricing and a confirmed delivery window, usually within one business day. If the calendar is already tight, say so in the form; the five-day runs above all started with exactly that conversation.

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