REI Co-op '75 Diamond Crew Sweatshirt
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Cruising a favorite trail or kicking back in camp, the REI Co-op '75 Diamond crew sweatshirt holds you in soft, fuzzy comfort—and in soft, fuzzy nostalgia if you can remember 1975.
Shop similar products- The diamond logo first appeared in 1975, and was the logo on REI tents used by the successful U.S. 1978 K2 expedition
- Durable polyester/cotton fabric wicks moisture to keep you comfortable hiking or hanging out
- Brushed fleece inner face is warm and breathable
- Soft ribbed collar, cuffs and hem
- Machine wash warm; 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 all REI Co-op Men's SweatshirtsBest Use | Casual |
---|---|
Sweater Type | Pullover |
Fabric | 52% polyester/48% cotton |
Moisture Wicking | Yes |
Sleeve Length | Long Sleeve |
Hood | No |
Back Length | Hip-length |
Back Length (in.) | 27.5 inches |
Gender | Unisex |
Weight | Unavailable |
Sustainability | 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.

