Warm and wicking to keep you comfortable on the slopes, the men’s REI Co-op Midweight Long-Sleeve Base Layer has a smooth face to easy layering and a brushed back for warmth against the cold.
Features
- Fabric wicks moisture and dries quickly to keep you comfortable
- 4-way stretch delivers a flexible range of motion
- Flatseam construction reduces bulk and chafing
- Rolled-forward shoulder seams prevent abrasion from pack straps
- UPF 50+ rating protects against sun rays
- Made using bluesign®-approved materials, which conserve resources and protect the health of the environment, workers and wearer (you!)
Imported.
Technical Specs
| Best Use |
Multisport |
|---|---|
| Shirt Type |
T-shirt |
| Fabric |
Polyester (bluesign® approved) |
| Sun-Protective Fabric |
Yes |
| UPF Rating |
50 |
| Moisture Wicking |
Yes |
| Quick Drying |
Yes |
| Underwear Weight |
Midweight |
| Sleeve Length |
Long Sleeve |
| Gender |
Men’s |
| Sustainability |
Fair Trade Certified™ factory Contains materials that meet the bluesign® criteria |
Size Chart
| XS | S | M | L | XL | XXL | XXXL | 24 IN Waist | 26 IN Waist | 28 IN Waist | 30 IN Waist | 31 IN Waist | 32 IN Waist | 33 IN Waist | 34 IN Waist | 35 IN Waist | 36 IN Waist | 38 IN Waist | 40 IN Waist | 42 IN Waist | 44 IN Waist | 46 IN Waist | 48 IN Waist | 50 IN Waist | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chest | 35 | 36 – 38 | 39 – 41 | 42 – 45 | 46 – 49 | 50 – 53 | 54 – 57 | |||||||||||||||||
| Sleeve Length | 33 | 33.5 | 34 | 34.5 | 35 | 35.75 | 36.5 | |||||||||||||||||
| Waist | 27.5 | 28 – 30 | 32 – 34 | 36 – 38 | 40 – 42 | 44 – 46 | 48 – 50 | 24 | 26 | 28 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 38 | 40 | 42 | 44 | 46 | 48 | 50 |
| Hip | 33.5 | 34.5 – 36.5 | 37.5 – 39.5 | 41 – 43 | 44 – 46.5 | 47.5 – 50.5 | 51.5 – 54.5 | 32 | 33.5 | 34.5 | 36.5 | 37 | 37.5 | 38.5 | 39.5 | 40.25 | 41 | 43 | 44 | 46.5 | 47.5 | 50.5 | 52.5 | 54.5 |
| Inseam | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 |
Sizing Notes
Measurements are stated in inches unless otherwise indicated.
SHORT: Some pants are available in short sizes, which generally means an inseam that is 2.5 inches shorter than regular sizes.
TALL: Some pants, shirts, jackets and parkas are available in tall sizes, which generally means an inseam that is 3 inches longer and a rise that is 1 inch longer, a shirt or jacket body that is 2 inches longer, a parka body that is 2.5 inches longer and sleeves that are 2.5 inches longer than regular sizes.
Capri or cropped pants have an intentionally shorter inseam—reference the technical specs instead of this chart.



































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