undiagnosed but something ain't right by nerdup Unisex T-shirt, Sweatshirt, Hoodie, Long Sleeve Tee

Fresh Design, Premium Fabric – Printed Just for You

Imagine scrolling past this and NOT getting it. Yeah, we can’t either. Soft Gildan® cotton, studio-quality print, and a fit that just works. You’re welcome.

📸 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.

Why Everyone’s Grabbing This

• 🎨 Fade-Proof Color – Direct-to-garment printing means your design stays as bold as the day it arrived.
• 🧵 Fabric That Delivers – Gildan® Ultra Cotton & Heavy Blend. Soft, durable, certified low-impact dyes.
• 👕 All-Day Comfort – Classic fit with taped seams and a tear-away label. Zero itch, zero irritation.
• 🇺🇸 Trust the Source – Made with US Cotton Trust Protocol cotton. Premium from seed to stitch.

Fabric Specs

• Tees & Long Sleeves: 5.3–6 oz, 100% US cotton – light enough for summer, layerable for fall.
• Fleece (Sweatshirt & Hoodie): 8 oz cotton/poly blend – warm, smooth surface, anti-pill finish.
• Sport Grey is 90/10 cotton/poly for a heathered look.

Color & Size Guide

Use the charts below to pick your ideal color and size:

1. Use the color chart to explore your options.
2. Check the size chart for measurements.
3. Select, add to cart, and enjoy!

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.

Each piece is printed on demand after you order. Double-check your size before checkout. Size-related returns aren’t available, but reach out if you need any help – we’ve got you.

🛒 Discover more at CoreVibeTees.com – where great design meets great quality.