Sir Cumference Shirt 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.
📸 The mockup shows a T-Shirt, but this design is available on 4 styles: T-Shirt, Long Sleeve, Sweatshirt & Hoodie. Just pick your style, color, and size – we’ll produce it exactly the way you want.
The Good Stuff
- 🎨 Print That Pops – DTG-printed directly into the fabric. No cracking, no peeling – just bold, vivid color.
- 🧵 Buttery Soft Fabric – Gildan® Ultra Cotton & Heavy Blend. OEKO-TEX certified – safe on your skin.
- 👕 All-Day Comfort – Classic fit with taped seams and a tear-away label. Zero itch, zero irritation.
- 🇺🇸 Responsibly Made – US Cotton Trust Protocol. American cotton, sustainably sourced. Quality with a conscience.
Fabric Specs
- T-Shirt & Long Sleeve: Pure cotton (5.3–6 oz) – breathable comfort, durable construction.
- Fleece (Sweatshirt & Hoodie): 8 oz cotton/poly blend – warm, smooth surface, anti-pill finish.
- Sport Grey uses a 90/10 cotton/poly blend for its signature heathered tone.
Size & Color Options
Not sure about sizing? Check our charts below:


- Browse colors and compare with the chart.
- Use the size guide for the best fit.
- Add to cart and you’re all set!
Shipping Details
- ✅ Production Time: 1–3 business days.
- 📦 US Delivery: 3–7 business days.
- ⚡ US Rush Option: 3–5 business days.
- 🌍 Rest of World: 1–2 weeks.
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.
🛒 Browse the collection at CoreVibeTees.com. Every piece, premium quality.