Our new Edelrid ropes are the only brand that has Bluesign certification. This certifies that there are no harmful substances in the rope or used during its production. Also that manufacturing is resource efficient and environmentally friendly. These ropes are produced with 89% less water consumed, 62% less CO2 emissions, 63% less energy and 63% less chemicals! Mirawara will preference goods and services that demonstrate this kind of environmental intelligence.