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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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 8 Reviews
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RA
05/24/2022
Robert A. United States
I recommend this product
New favorite tank!
LOVE the fit, just like all the other shirts, soft cotton, stretchable and comfy. Usually a medium in most but with Proto101 the small fits perfect. I’m 5’11” 180lbs.
J
01/27/2022
Jack Bend, Oregon, United States
Love it
I don't own a lot of tank tops, but I'll be buying this one in another color -- it's so good! High quality, soft material, comfortable fit.
JH
02/01/2021
Justin H. 
United StatesI recommend this product
Great shirt, great company, great service.
Love this shirt. Super comfortable and like how it looks. These guys do a great job.
AR
01/20/2021
Andre R. United StatesI recommend this product
Great Feel
Was honestly really surprised with how well it fit and how great it feels. Slightly heavier than normal tanks but that’s only cause the quality is so good
AR
01/19/2021
Andre R. Great Feel
Was honestly really surprised with how well it fit and how great it feels. Slightly heavier than normal tanks but that’s only cause the quality is so good