REI Co-op Opt Outside T-Shirt
Sometimes we need a little less screen time and a little more green time. Made with comfy, 100% organically grown cotton, the REI Co-op Opt Outside tee reminds you to get out there.
Key Details
- Made with 100% organically grown cotton that's soft and breathable
- Ribbed collar
- Small graphic at front left chest; larger graphic at back
- Machine wash cold; tumble dry low
- REI Co-op brand is certified to The Climate Label; we actively fund efforts to reduce carbon emissions across our business and support climate projects around the world
Imported.
View the REI Co-op Opt Outside Product LineView all REI Co-op Men's T-ShirtsBest Use | Casual |
---|---|
Shirt Type | T-shirt |
Fabric | 100% organically grown cotton |
Sleeve Length | Short Sleeve |
Hood | No |
Gender | Unisex |
Sustainability | Contains organically grown fibers From a Climate Label Certified brand |
XXS | XS | S | M | L | XL | XXL | XXXL | 4XL | 5XL | XS Short | S Short | M Short | L Short | XL Short | XXL Short | XXXL Short | M Tall | L Tall | XL Tall | XXL Tall | XXXL Tall | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Chest | 32 | 33 - 35 | 36 - 38 | 39 - 41 | 42 - 45 | 46 - 49 | 50 - 53 | 54 - 57 | 58 - 61 | 62 - 65 | 33 - 35 | 36 - 38 | 39 - 41 | 42 - 45 | 46 - 49 | 50 - 53 | 54 - 57 | 39 - 41 | 42 - 45 | 46 - 49 | 50 - 53 | 54 - 57 |
Sleeve Length | 30.5 | 30.5 | 31 | 31.5 | 32 | 32.5 | 33.25 | 33.5 | 33.5 | 33.5 | 28.75 | 28.75 | 29.25 | 30.25 | 30.75 | 31.5 | 31.75 | 34.75 | 34.75 | 35.25 | 36 | 36.25 |
Waist | 25 | 26 - 28 | 29 - 31 | 32 - 34 | 36 - 38 | 40 - 42 | 44 - 46 | 48 - 50 | 52 - 54 | 56 - 58 | 26 - 28 | 29 - 31 | 32 - 34 | 36 - 38 | 40 - 42 | 44 - 46 | 48 - 50 | 32 - 34 | 36 - 38 | 40 - 42 | 44 - 46 | 48 - 50 |
Hip | 34 | 35 - 36 | 37 - 38 | 39 - 40 | 41.5 - 43.5 | 44.5 - 47 | 48 - 51 | 52 - 55 | 56 - 59 | 60 - 63 | 35 - 36 | 37 - 38 | 39 - 40 | 41.5 - 43.5 | 44.5 - 47 | 48 - 51 | 52 - 55 | 38 - 40 | 41.5 - 43.5 | 44.5 - 47 | 48 - 51 | 52 - 55 |
Inseam | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 27.5 | 27.5 | 27.5 | 27.5 | 27.5 | 27.5 | 27.5 | 35 | 35 | 35 | 35 | 35 |
Sizing Notes
Measurements are stated in inches. Size chart values represent body measurements, not garment measurements.
Inseam is measured to the floor.
Better gear is built together
From feedback to field testing, all of our gear is dialed-in by REI Co-op members. Their adventures informed every stitch and detail—making for better, longer-lasting gear.

