Mathletic Dept Kid's Onesie Unisex T-shirt, Sweatshirt, Hoodie, Long Sleeve Tee

Custom Printed Gildan® Apparel – Designed for You

Warning: once you feel this fabric, your other tees are getting benched. Gildan® Ultra Cotton meets studio-quality DTG printing. Comfort and color that actually last.

📸 Image shows a tee, but this design is printed on 4 styles: T-Shirt, Long Sleeve, Sweatshirt & Hoodie. Select your preferred style at checkout – every piece is made to order, exactly how you pick it.

Why Everyone’s Grabbing This

• 🎨 Built to Last – DTG printing means color is part of the fabric, not sitting on top. Wash without worry.
• 🧵 Comfort-Level: 10/10 – Gildan® blanks with OEKO-TEX certified dyes. Soft on skin, gentle on the planet.
• 👕 Comfort First, Always – Taped neck, reinforced shoulders, tear-away tag. Built for all-day wearability.
• 🇺🇸 Trust the Source – Made with US Cotton Trust Protocol cotton. Premium from seed to stitch.

Fabric Specs

• T-Shirt & Long Sleeve: 100% cotton (5.3–6 oz) – lightweight, breathable.
• Sweatshirt & Hoodie: 8 oz, 50/50 cotton/poly blend – cozy, durable, resists pilling.
• Sport Grey is 90/10 cotton/poly for a heathered look.

Color & Size Guide

Reference the charts below before you order:

1. Browse colors and compare with the chart.
2. Use the size guide for the best fit.
3. Add to cart and you’re all set!

Shipping Details

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

All items are custom printed after purchase. Please measure carefully and check the size guide. Returns for incorrect sizing are not accepted. Questions? Just message us – we’re happy to help!

🛒 See our full range at RetroVerseTees.com. Premium quality, every single time.