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Custom T-Shirts & Apparel in Denver

PostNet Denver is a custom apparel printing shop in downtown Denver that produces t-shirts, hoodies, hats, and branded merchandise with no minimum order. According to Grand View Research, the global custom t-shirt printing market reached $4.3 billion in 2023 and continues to grow at over 11% annually. We use professional heat transfer vinyl (HTV) in specialty finishes — glitter, metallic, holographic, and 3D puff — to create durable, eye-catching designs for company uniforms, team jerseys, events, and promotional merchandise.

Our Printing Method

Heat Transfer Vinyl (HTV)

Cut vinyl in specialty finishes: glitter, metallic, flock, glow-in-the-dark, holographic, reflective, and 3D puff. Best for names, numbers, and simple bold designs.

Popular Applications

Company UniformsTeam JerseysEvent T-ShirtsPromotional MerchandiseFamily ReunionsBachelor/Bachelorette PartiesSchool Spirit WearPersonalized Gifts

Frequently Asked Questions

What printing method do you use for t-shirts?
We use heat transfer vinyl (HTV) pressed at high temperature for durable, vibrant designs. Available finishes include glitter, metallic, flock, glow-in-the-dark, holographic, reflective, and 3D puff.
Is there a minimum order for custom t-shirts?
No minimum — we print even a single shirt. Custom t-shirts start at $35 per shirt including the garment. Volume discounts are available for larger orders.
What garments can you print on?
T-shirts (youth S through adult 4XL), hoodies, sweatshirts, polo shirts, tank tops, hats, tote bags, and aprons. We stock popular blanks in-store for fast turnaround.
How long does custom apparel take?
Most orders are completed same day or next day. Single shirts are typically ready in 1 to 2 hours. Larger team orders may take 2 to 3 business days.
Can you help design my shirt?
Yes. Our graphic design team creates custom layouts from your logo, artwork, or idea. We provide a digital proof for approval before pressing.

Design Your Custom Apparel

Send us your design or tell us your idea — we will help bring it to life. No minimums and same-day turnaround available.

Get a QuoteCall or Text (303) 595-0500