
Item shipped fast and came as advertised. Such a cute graphic & soft shirt! Fits perfect 🥰
Couldn't load pickup availability


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
The Legend. The Rebel. The Grandpa. 🐒🎸
Every family has that one person who rules with a mix of wisdom and absolute chaos. Celebrate the ultimate partner-in-crime with The Man, The Myth, The Grandpa, The Bad Influence T-Shirt. Featuring a badass rock-style monkey graphic, this tee perfectly captures the spirit of the grandpa who loves to break the rules, spoil the grandkids, and look incredibly cool doing it.
With its vintage rock aesthetic and humorous design, this fitted short-sleeve crew neck is built for summer days, family gatherings, or backyard BBQs. It’s the ultimate "gift for him" that actually matches his larger-than-life personality and rebellious charm.
Note: Manual measurement may exist a 1-2 inch difference.
Note: Actual print color and size may vary slightly due to monitor effects and garment size.
Because being a grandfather is great, but being the favorite "bad influence" is an art form. This medium-length, fitted shirt offers an ultra-comfortable feel with a rugged edge that pairs perfectly with denim, leather, or summer shorts.
Give him a laugh and a new favorite wardrobe staple. Order the Grandpa The Bad Influence Monkey Tee today and let him wear his title with pride!

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.