INSIDE OUT: Anna Foster , founder and creative director of the sustainable denim label E.L.V. , has taken upcycling to a new level, fusing fashion and interiors fabrics for a limited-edition, first-of-its-kind collection done in collaboration with Sanderson Design Group.

Sanderson of London x E.L.V. Denim is the first fruit of a three-year partnership between the two London -based companies. It features clothing made from 100 percent upcycled, post-consumer waste denim sourced by E.L.V., and from surplus, patterned textiles from Sanderson ’s current portfolio and archive.

Foster created each piece by hand, categorizing the home fabrics by their “feel” and making sure their density, thickness, patterns and textures matched the denim. The pieces, which have a vintage, bohemian vibe, were produced by E.L.V. and manufactured in east London .

Foster said she loved breathing new life into bolts and off cuts of fabric that Sanderson had previously considered unusable.…