Founded in 2008, MA.STRUM  is a menswear brand that specialized in technical outerwear and apparel. Headquartered in Essex, England, the brand is led by owner and ceo John Sharp.

John & his creative team focus on the design of contemporary wares that champion material innovation and true utility value. Their work is characterized by a deft marriage of form and function, influenced by the study of military, sportswear and performance clothing. The ma.strum's a collections has entirely been made from Massimo Osti’s textile and fabric archives.