Size Chart
Men's Size Chart by Body Measurements (in.)
| Size | Chest | Waist | Arm |
| S | 36-37 | 29-31 | 32 |
| M | 38-40 | 32-34 | 33 |
| L | 41-43 | 35-37 | 34 |
| XL | 44-47 | 38-41 | 35 |
| XXL | 48-51 | 42-45 | 36 |
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Better Basics
Elevate your basics and help build a better world with us. That's why we use sustainable materials to do the least harm to the environment, and support an ethical supply chain. Our French Terry sweats are high quality and durable so your favorite basics last a lifetime and stay out of the landfills.
One tree planted for every garment.
Trees help us fight climate change by absorbing carbon dioxide from the atmosphere that causes global warming. That's why we plant one tree for every garment to neutralize our carbon footprint.
Customer Reviews
5.0
Based on 64 Reviews
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NC
04/29/2022
Nick C. I recommend this product
Super Soft
Love everything I’ve bought from Proto101! So soft, fit great, look good, great colors, what more can you ask for!
GA
04/21/2022
Gary A. 
United StatesI recommend this product
Been looking
Great fit, wonderful quality, love the fabric.
JC
03/19/2022
John C. United StatesI recommend this product
Solid t shirts
Overall I’m very happy with my tshirts. I bought a few of them in different colors to add some variety to my wardrobe. Prior to the pandemic I was easily a medium but have since grown into a large. These fabrics however have allowed me to go medium again. I will forewarn that even though they say the shirt won’t shrink it did for me a little and I wash and dry my clothes on the delicate setting. Still a great t shirt and I would buy more too.
J
03/19/2022
John I recommend this product
Solid t shirts
Overall I’m very happy with my tshirts. I bought a few of them in different colors to add some variety to my wardrobe. Prior to the pandemic I was easily a medium but have since grown into a large. These fabrics however have allowed me to go medium again. I will forewarn that even though they say the shirt won’t shrink it did for me a little and I wash and dry my clothes on the delicate setting. Still a great t shirt and I would buy more too.
SL
03/17/2022
Shay L. United StatesI recommend this product
New favorite shirt
Feels fantastic, and fits better than any t-shirt I’ve ever had. I find myself wearing it around the house, as is, with other clothes, and even as an undershirt.