Planck's Constant by acrossTPB Unisex T-shirt, Sweatshirt, Hoodie, Long Sleeve Tee

Premium DTG Printed Apparel – Made to Order

Soft enough to sleep in. Cool enough to post about. Every piece is DTG-printed on premium Gildan® fabric for colors that pop and comfort that lasts.

📸 Seeing a T-Shirt? That’s just the preview! This exact design is also available on Long Sleeve, Sweatshirt & Hoodie. Just choose your style – we print and ship it your way.

Here’s Why It’s Worth It

• 🎨 Studio-Grade Print – Eco-friendly DTG ink that bonds permanently. No cracking, no flaking, period.
• 🧵 Buttery Soft Fabric – Gildan® Ultra Cotton & Heavy Blend. OEKO-TEX certified – safe on your skin.
• 👕 Move Freely – Classic unisex fit with taped seams. The tear-away label means nothing scratching your neck.
• 🇺🇸 Cotton Done Right – Sourced under the US Cotton Trust Protocol. Premium quality, responsibly grown.

Fabric Breakdown

• Tees & Long Sleeves: 5.3–6 oz, 100% US cotton – light enough for summer, layerable for fall.
• Sweatshirt & Hoodie: 8 oz, 50/50 cotton/poly blend – cozy, durable, resists pilling.
• Note: Sport Grey contains a 90/10 cotton/poly blend for color consistency.

Size & Color Options

Not sure about sizing? Check our charts below:

1. Check the color and size chart above.
2. Select your style, color, and size.
3. Add to cart and proceed to checkout.

When Will It Arrive?

• ✅ Crafted in: 1–3 business days.
• 📦 Standard US: 3–7 business days.
• ⚡ Express US: 3–5 business days.
• 🌍 International: 7–14 business days.

Every item is made to order just for you. Please verify your size using the chart above. We can’t accept returns for sizing errors, but we’re always here to help if something isn’t right.

🛒 Head to VintageInkLab.com for more. Quality prints. Premium fabric. Happy customers.