Blue Sea Slug by sivyllization Unisex T-shirt, Sweatshirt, Hoodie, Long Sleeve Tee
Fresh Design, Premium Fabric – Printed Just for You
You didn’t come here to blend in. Vibrant DTG print on genuine Gildan® blanks – bold design, premium comfort, the whole package.
📸 What you see is a T-Shirt mockup, but don’t stop there – this design comes in 4 different styles: T-Shirt, Long Sleeve, Crewneck Sweatshirt & Hoodie. Choose your favorite and we’ll make it just for you.
The Good Stuff
- 🎨 Built to Last – DTG printing means color is part of the fabric, not sitting on top. Wash without worry.
- 🧵 Skin-Friendly & Soft – OEKO-TEX certified Gildan® fabric. No harsh chemicals, just pure comfort.
- 👕 All-Day Comfort – Classic fit with taped seams and a tear-away label. Zero itch, zero irritation.
- 🇺🇸 Wear It With Pride – Made with American cotton from the US Cotton Trust Protocol. Quality from the ground up.
Materials & Specs
- Cotton Tees & Long Sleeves: 100% US cotton at 5.3–6 oz – naturally soft and breathable.
- Sweatshirt & Hoodie: 50/50 cotton/polyester (8 oz) – warm, pill-resistant, rib with spandex.
- Sport Grey uses a 90/10 cotton/poly blend for its signature heathered tone.
Your Perfect Match
Use the charts below to pick your ideal color and size:


- Browse colors and compare with the chart.
- Use the size guide for the best fit.
- Add to cart and you’re all set!
When Will It Arrive?
- ✅ 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.
All products are made to order. Please double-check your size before purchasing. No returns or exchanges for incorrect size selections. If there are any issues, feel free to message us for assistance.
🛒 Check out PopFlextees.com for the latest drops. Premium apparel, always.