
Item shipped fast and came as advertised. Such a cute graphic & soft shirt! Fits perfect 🥰
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T-SHIRT
- 100% Airlume combed and ringspun cotton (fiber content may vary for different colors)
- Light fabric (4.2 oz/yd² (142 g/m²)
- Retail fit
- Tear away label
- Runs true to size
SWEATSHIRT
- 80% cotton, 20% polyester
- Medium-heavy fabric (8.0 oz/yd² (271.25 g/m²))
- Loose fit
- Sewn-in label
- Runs true to size
HOODIES
- 80% cotton, 20% polyester
- Medium-heavy fabric (8.0 oz/yd² (271 g/m²))
- Classic fit
- Tear-away label
- Runs true to size
Machine wash: warm (max 40C or 105F);
Non-chlorine: bleach as needed;
Tumble dry: low heat;
Iron, steam or dry: medium heat;
Do not dryclean.
SHIPPING
Our Products are processed and shipped within 2-20 business days.
For more information see Shipping Policy
RETURNS
If you are not completely satisfied with your purchase, we will gladly accept your unused merchandise in its original condition.
For more information see Returns & Exchanges
Orders $0.00–$40.00: 5.90 USD
Orders $40.01–$79: 4.90 USD
Orders $79,01–$1,000: Free
Before he was humanity's last hope in the Tau Ceti system, he was a middle school science teacher with a penchant for high-quality puns. Our Dr. Grace "I Wear This Shirt Periodically" T-Shirt is a tribute to the wit that kept Ryland Grace sane during his long journey. Featuring a high-impact, clean typographic design that utilizes actual chemical symbols, this tee is for the fan who has officially retired from "boring, non-educational apparel."
Whether you’re explaining the laws of physics in 2026 or repping your "Amaze!" energy at a book club, this shirt ensures your intellect is perfectly on brand. It is essential Science Culture & Literary Lifestyle Wear, providing a heavyweight, structured fit that stays as resilient as a lab coat through every wash. A legendary, high-quality Gift for Chemists, Science Teachers, and Andy Weir Super-fans, it’s a personal staple for the individual who is officially the MVP of the "Elementally Awesome" club.
Premium Fabric: Crafted from 6.1 oz./yd², 100% ring-spun cotton for a soft, lived-in feel from day one. Garment-Dyed Finish: A unique process that minimizes shrinkage and provides a vintage look. Relaxed Fit: Offers all-day comfort and a stylish, easy-to-wear silhouette. Durable Construction: Features a topstitched rib collar and shoulder-to-shoulder twill tape for lasting wear. Made in the USA: Manufactured in the United States with high-quality DTG or DTF printing. Note: Please allow for a 1-2 inch difference in manual measurements. Print size and color may vary slightly.
✅ Why This Version Stands Out: It features a Clean Academic Graphic Design and a Luxury Heavyweight Texture, making it a durable, breathable, and essential piece of Aesthetic Smart-Casual Fashion.

VERIFIED CUSTOMER REVIEWS
Real feedback from verified customers who purchased and wore Hiya Mart graphic tees.

Item shipped fast and came as advertised. Such a cute graphic & soft shirt! Fits perfect 🥰

These shirts were great for my boyfriend and I to take pictures in! As pictured. Great customer service

Loved it! Perfect for my son’s first birthday party—one lucky duck theme. 10/10 product! Will buy from again!

This hoodie sweatshirt was a perfect gift for my niece who loves black cats and ramen noodles more than anything!

This is probably my favorite shirt I’ve ordered yet. I love the way the fabric feels and it doesn’t feel cheap. The color is so cute and the design looks really good and not like it would come off.