Mammut

Fair Wear Foundation's (FWF) mission is to improve labour conditions in the garment industry. It is an international verification initiative dedicated to enhancing workers' lives all over the world. They work closely with a growing number of companies that produce clothing and other sewn products and that take responsibility for their supply chain. FWF keeps track of the improvements made by the companies it works with using its annual Brand Performance Check. In 2020 this company was rated 'leader'.
Source: Fair Wear Foundation (2020)

The 2020 Fashion Transparency Index reviewed 250 of the world's largest fashion brands and retailers and ranked them according to how much they disclose about their social and environmental policies, practices and impacts. Brands owned by this company scored 31%, signifying it is publishing suppliers lists as well as detailed information about their policies, procedures, social and environmental goals, supplier assessment and remediation processes, and is more likely to be addressing issues such as living wages and collective bargaining. The average score was 23% and the highest score was 73%.
Source: Fashion Revolution (2020)