De Ploeg - Umbra - 15We introduce you: Umbra, the new collection from De Ploeg. This collection is woven with thick, densely woven yarns, which gives the fabric an apparently boucl appearance and the weave pattern is clearly visible up close. troon can be recognised. The samenstitution of Umbra is made of cotton, viscose and acrylic. This mix of materials makes this fabric not only very strong, but also lightfast. This collection is also flame retardantagend. Umbra has 23