95% matchArc'teryx
Both brands specialize in high-performance outdoor technical gear with a focus on innovation.
Outdoor Research
StyleGorpcore / OutdoorTechwearAthleisure / Sportswear
Known forOutdoor & technicalJacketsOuterwear
Outdoor Research makes technical apparel and accessories for alpinism, rock and ice climbing, backcountry skiing, hiking and paddling. Physicist and mountaineer Ron Gregg founded it in Seattle in 1981, starting with the X-Gaiter, and gaiters, gloves and mittens remain core categories alongside Helium rain shells, Ferrosi softshell jackets and pants, sun hoodies and wide-brim hats. The privately held company builds around proprietary AscentShell and GORE-TEX fabrics, sells direct and through outdoor specialty retailers, and runs a separate tactical line serving military and professional users.
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How Outdoor Research fits
| Category | Runs | Shape | Length | Size advice | Confidence |
|---|---|---|---|---|---|
| Jackets | true to size | trim technical shell shape with articulated sleeves and a helmet-compatible hood | regular to slightly long, with a dropped rear hem on shells | Buy your normal size for a shell over a fleece, or size up if you plan to layer a puffy underneath. | medium |
| Hoodies & sweatshirts | slightly small | slim, athletic sun-hoodie cut with a close hood and thumbholes | slightly long in body and sleeve for coverage | Consider sizing up in the Echo/ActiveIce sun hoodies if you want airflow or a looser feel. | medium |
| Shirts & overshirts | true to size | trim to regular with an articulated, active cut | regular, hip-length hem | Stick with your usual size unless you carry a broader chest, in which case go up one. | low |
| Trousers & pants | true to size | athletic through the seat and thigh with a slightly tapered leg | regular, with multiple inseam options on core styles like Ferrosi | Take your measured waist size; heavier-legged wearers may want the next size up in Ferrosi. | medium |
| T-shirts & graphic tees | true to size | regular to slightly trim, straight through the body | regular, generally long enough to stay tucked | Take your normal size; only size up if you dislike a body-skimming tee. | low |
Does Outdoor Research run big or small?
Outdoor Research fits true to size. Order your usual size for a technical layering fit, but size up if you want a midlayer or puffy underneath or prefer a relaxed drape. Most shoppers report Outdoor Research pieces land true to size with a trim, climbing-oriented cut, so athletic builds fit well while broader chests and layerers often prefer one size up.
How does Outdoor Research fit?
Most shoppers report Outdoor Research pieces land true to size with a trim, climbing-oriented cut, so athletic builds fit well while broader chests and layerers often prefer one size up. Overall shape: trim athletic outdoor fit, closer to the body than most American brands but not compression-slim.
How do Outdoor Research jackets fit?
Outdoor Research jackets fits true to size. Buy your normal size for a shell over a fleece, or size up if you plan to layer a puffy underneath. Shape: trim technical shell shape with articulated sleeves and a helmet-compatible hood.
How do Outdoor Research hoodies & sweatshirts fit?
Outdoor Research hoodies & sweatshirts fits slightly small. Consider sizing up in the Echo/ActiveIce sun hoodies if you want airflow or a looser feel. Shape: slim, athletic sun-hoodie cut with a close hood and thumbholes.
How do Outdoor Research shirts & overshirts fit?
Outdoor Research shirts & overshirts fits true to size. Stick with your usual size unless you carry a broader chest, in which case go up one. Shape: trim to regular with an articulated, active cut.
Directional fit consensus summarized from public sources with AI — a starting point, not a guarantee. Confirm with the product's own measurements before buying.
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