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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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 13 Reviews
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JC
05/10/2022
Justin C. I recommend this product
Perfect tank for casual or workout wear
Fit is great! I purchased size Medium since I prefer a slightly snug fit (6' / 200lbs) Material is soft and stretches just enough.
RG
01/13/2022
Rob G. Statesboro, Georgia, United States
MD
09/03/2021
Michele D. San Jose, California, United States
Super comfortable, true to size
Super comfortable tank. Great design. Also fits perfectly, I am 5.6, got an S, fits comfortable without being too loose.
R
08/03/2021
R.S. LaFayette, New York, United States
The one and only
I have been traveling and have only brought my proto101 tee shirts. They are light, cool, and fit perfect. Definitely going to add more styles to my wardrobe.
RB
07/25/2021
Robert B. Winthrop, Washington, United States
Perfect
Great material, design, fit, and colors! Received 2, washed and wore them a couple of times, and ordered 2 more.