82% matchKrakatau
Membrane shells and utility layers for hard weather
What changes: Colder-climate techwear focus, less archive heritage
Brand profile
British technical menswear label built on the Massimo Osti Archive, known for military-influenced outerwear in fabric-innovation-led collections.
4 brands like MA.Strum like Krakatau, Isaora, RANRA Studio →

MA.STRUM is a British technical menswear label founded in 2008 as a project with the Massimo Osti Archive, referencing the designer's work on Stone Island, C.P. Company and Boneville. Co-founder John Sharp later took sole ownership and also acquired Boneville. Collections centre on military-derived outerwear — hooded parkas, overshirts and shell jackets in coated, bonded and dyed technical fabrics — alongside jersey, knitwear and cargo trousers. Utility detailing, arm-badge branding and saturated colourways define the look, and the brand is widely stocked across UK football-casual and premium menswear retailers.
Overall fit
true to size
MA.Strum generally fits true to size with a European-influenced regular cut, though its technical outerwear can feel trim across the chest for heavy layering.
Tip: Take your usual size; consider sizing up if you plan to layer under the outerwear.
Medium confidence · based on 6 sources
By category
| Category | Runs | Shape | Size advice |
|---|---|---|---|
| Jackets | true to size | regular, slightly tailored | Order your normal size, but go up one if you want room for chunky knitwear underneath. |
| Shirts & overshirts | true to size | regular overshirt cut | Overshirts fit true to size and layer well over tees; take your usual size. |
| T-shirts & graphic tees | slightly small | slim to regular | Consider sizing up if you prefer a relaxed fit, as jersey pieces can run slightly trim. |
| Trousers & pants | true to size | regular utility cut | Cargo trousers fit true to waist with a regular leg; take your usual size. |
Directional fit consensus summarized from public sources with AI — a starting point, not a guarantee. Confirm with the product's own measurements before buying.
82% matchMembrane shells and utility layers for hard weather
What changes: Colder-climate techwear focus, less archive heritage
78% matchMinimal city-facing performance shells
What changes: Sportier, less military detailing or badge branding
75% matchPerformance fabrics applied to wardrobe archetypes
What changes: Higher design/price, cleaner and less utility-badged
72% matchGORE-TEX construction under restrained everyday shapes
What changes: Japanese outdoor-trad calm vs saturated military dye
MA.Strum fits true to size. Take your usual size; consider sizing up if you plan to layer under the outerwear. MA.Strum generally fits true to size with a European-influenced regular cut, though its technical outerwear can feel trim across the chest for heavy layering.
MA.Strum generally fits true to size with a European-influenced regular cut, though its technical outerwear can feel trim across the chest for heavy layering. Overall shape: regular to slightly slim.
MA.Strum jackets fits true to size. Order your normal size, but go up one if you want room for chunky knitwear underneath. Shape: regular, slightly tailored.
MA.Strum shirts & overshirts fits true to size. Overshirts fit true to size and layer well over tees; take your usual size. Shape: regular overshirt cut.
MA.Strum t-shirts & graphic tees fits slightly small. Consider sizing up if you prefer a relaxed fit, as jersey pieces can run slightly trim. Shape: slim to regular.