We define criteria for material selection and product development, and we promote initiatives focused on the circular economy

Among its various initiatives, Diesel achieved a significant milestone with its SS26 collection, presenting over 70% of its combined Ready-to-Wear and Denim offerings in line with the OTB Responsible Product Guidelines, reaching 85% for the Denim category alone.

The brand has also increased its use of preferred cotton (meaning organic, recycled, or regenerative), accounting for 42% of total cotton purchased, up from 31.4% in 2024. Staff International, the OTB Group’s production hub, collaborated with the brands Marni, Maison Margiela, and Jil Sander to continuously improve their sustainability performance. In this context, Marni increased its use of certified fibers and innovative solutions.

In the SS26 Pre collection, products compliant with internal guidelines accounted for over 55% of total sales. In 2025, the brand also increased its use of preferred cotton, accounting for 35% of total cotton purchased. As for leather, the share purchased from LWG-certified tanneries reached 66% of the brand’s total leather purchases. Jil Sander has continued to gradually expand the use of alternative fibers and preferred materials across all its collections. In the SS26 Show collection, the total offering of products compliant with the OTB Responsible Product Guidelines generated sales of approximately 30%, reaching 90% when considering only the Bags and Small Leather Goods category.

In 2025, the brand continued to source preferred cellulosic fibers, reaching a share of approximately 27% in its Ready-To-Wear collections. For Maison Margiela, the main focus was on leather. In fact, leather purchased from LWG-certified tanneries accounted for 55% of the brand’s total leather purchases.

In the SS26 Show collection, products compliant with the OTB Responsible Products Guidelines generated over 45% of sales, exceeding 85% in the Bags and Small Leather Goods category alone.

Brave Kid also reaffirmed its commitment in 2025 to sourcing materials with reduced environmental impact for the collections of the brands it works with, reaching 19% in the SS26 collection, a 7-percentage-point increase compared to the SS25 collection.

Viktor&Rolf promotes the use of preferred materials, collaborating with its suppliers to identify innovative solutions consistent with the brand’s identity. In 2025, a new product category was introduced in the Ready-to-Wear collection featuring polymer-based alternatives to leather, through the selection of a cactus-based material that replicates the look and texture of leather.