Taking inspiration from the US’ Military Gen III Layering System, the ECWCS (Extended Climate Weather Clothing System), 7L is a British Brand that manages to fuse fashion with function and performance with style. We design and craft fashionable yet functional garments that can be worn in a variety of extreme or everyday environments. Our experienced engineers, designers and technicians push the boundary of garment technology, crafting technically advanced products that harness a combination of innovative design, high performance fabrics and technical manufacturing.