Transparency. Accountability. Sustainable Future.
SUSTAINABILITY AT GREEN SHIRTS
Real Social Eco Wear
Transparency instead of marketing claims
For us, sustainability is not a single label. It is the consistent sum of seamlessly traceable supply chains, pollutant-free raw materials, fair working conditions, and the permanent will to fundamentally improve the textile industry.
Environment
Evidence for circular packaging, CO2 compensation, and GOTS operating standards.
Social Responsibility
Binding compliance with ILO core labor standards at all stages of production.
Governance
Disclosure of codes of conduct, anti-corruption policies, and whistleblowing systems.
🌱 Our Stance & Brand Compliance
We work exclusively with brands and partners who demonstrably take responsibility for materials, production, people, animals, and the environment seriously. Every brand on our platform is vetted against strict ecological and social minimum requirements.
OUR SUSTAINABLE PARTNER BRANDS
RECOLUTION*
✔ Sustainable streetwear from Hamburg, focusing on durable products rather than short-lived trends.
✔ Uses traceable materials such as organic cotton, TENCEL™, and LENZING™ ECOVERO™.
✔ Many styles are GOTS-certified; the brand also relies on PETA-Approved Vegan and GRS for recycled materials.
✔ Approximately 95% of production takes place in Europe, working with regularly visited, GOTS-certified producers.
✔ Learn more: Recolution Sustainability, Materials & Producers. (recolution | organic & fair)
SAINT BASICS*
✔ Dutch brand for sustainable underwear and basics made from natural materials.
✔ Relies on materials such as organic cotton and TENCEL™ Lyocell from eucalyptus.
✔ Produces in Portugal according to sustainable brand profiles and pays attention to GOTS-/OEKO-TEX-certified products.
✔ The brand is vegan and PETA-Approved Vegan.
✔ Learn more: Saint Basics profile. (COSH!)
MELA*
✔ Fair fashion brand with a consistent focus on organic cotton, fair production, and certified supply chains.
✔ The entire product range is certified according to Fairtrade Cotton, GOTS, and Grüner Knopf.
✔ MELA deliberately avoids artificial and blended fibers and adheres to Cradle-to-Cradle principles.
✔ Production, from cotton cultivation to the sewing factory, largely remains in India, reducing delivery routes.
✔ Learn more: MELA Sustainability & Certificates. (MELA)
Tentree*
✔ For every product sold, tentree plants ten trees and aims to plant one billion trees by 2030.
✔ The brand publishes an annual Impact Report focusing on transparency, climate, product, nature, and people.
✔ tentree is B Corp certified and operates with an "Earth-First" approach: more sustainable materials, fair working conditions, and regenerative projects.
✔ The company is pursuing a Net-Zero target by 2033.
✔ Learn more: tentree Impact Report & Sustainability. (tentree.com)
Organic Basics*
✔ Copenhagen-based basics brand with a focus on transparency, durable designs, and measurable product data.
✔ Works with Life Cycle Assessments to make environmental impacts such as CO₂, water consumption, and land use visible per product.
✔ Is B Corp certified and a member of 1% for the Planet.
✔ According to their 2025 Impact Report, 84% of sales came from GOTS, GRS, OCS, or RWS certified products.
✔ Learn more: Organic Basics Impact Report & Our Impact. (Organic Basics EU)
Living Crafts*
✔ Pioneer for ecological textiles since 1985.
✔ Works with the five pillars of sustainability: quality, transparency, ecology, social responsibility, and climate.
✔ Relies on natural materials such as organic cotton, linen, wool, and TENCEL™.
✔ Continuously GOTS-certified since 2009; additionally ClimatePartner-certified and expanded with RWS and GRS certifications since 2025.
✔ Learn more: Living Crafts Sustainability. (Living Crafts)
bleed / picea*
✔ Originally launched as a sustainable street and sportswear brand, with a focus on vegan and ecological materials
✔ Focus on durable, repairable and circular textiles.
✔ The current website redirects to picea and focuses on "Manufactured on Demand": production only starts after an order is placed, to reduce overproduction and old textiles.
✔ Learn more: current picea website & brand profile. (picea)
Be Flamboyant*
✔ Vegan shoe brand focusing on minimalist shoes.
✔ According to its website, the collection is made from 100% vegan materials.
✔ The brand positions its shoes as a sustainable alternative to conventional footwear.
✔ External vegan profiles cite PETA-Approved Vegan as a relevant certification.
✔ Learn more: Beflamboyant Website & Vegan Profile. (BEFLAMBOYANT)
People Tree*
✔ One of the most renowned fair trade fashion brands with roots dating back to 1991.
✔ Stands for fair trade, market access for disadvantaged producers, and more sustainable everyday options.
✔ The brand continues to emphasize its mission of fair supply chains, social justice, and sustainable fashion.
✔ According to its own website, People Tree is currently undergoing a phase of change and realignment.
✔ Learn more: People Tree Our Story. (People Tree)
Prudent*
✔ Berlin-based label for "mindful yoga fashion" with a focus on timeless, sustainable, and circularly designed clothing.
✔ Relies on capsule wardrobe principles: minimalist, combinable, and multifunctional pieces.
✔ Founder Annett Borg was active in the Fashion Revolution movement and combines design with education for more transparency in the fashion industry.
✔ Besonnen considers textile waste from the outset and develops its collection with the goal of consistent circularity.
✔ Learn more: Besonnen Mission & FAQ. (BESONNEN)
HempAge*
✔ Specialist in sustainable clothing made from hemp and organic cotton.
✔ Hemp is a focus because the fiber is durable and can be cultivated relatively resource-efficiently.
✔ HempAge is committed to fair production, ecological materials, and transparent supply chains.
✔ The brand is a member of FAIR BAND, the World Shop Umbrella Organization and ARGE World Shops Austria, among others; HempAge also refers to OCS certification and DHL GoGreen shipping.
✔ Learn more: HempAge Sustainability, Supply Chain & Certifications. (hempage.de)
*Our partners are responsible for the content of the website and its review.
ENVIRONMENTAL MANAGEMENT:
Ecological Responsibility in Practice
Excerpt from our environmental protection measures:
✔ Certified Finishing: Our printing and embroidery facilities are exclusively GOTS-certified or operate as contractually bound subcontractors in the certification process.
✔ Circular Packaging (B2C only): All promotional materials, hangtags, and shipping packaging are made from recycled raw materials and/or environmentally friendly grass paper. Cardboard boxes from our suppliers are systematically reused for further shipping to reduce waste.
✔ Climate Protection & Reforestation (B2C only): Green Shirts is certified as a climate-neutral company according to the CO2 Gold Standard. Through the organization Plant for the Planet, we plant at least 500 trees per year; in the end-customer business, one tree is financed for each individual order.
✔ Operational Environmental Policy: Processing facilities in our supply chain must demonstrate a written environmental policy that legally regulates exhaust air, wastewater emissions, and the handling of waste and sewage sludge according to GOTS criteria. Wet finishing facilities are obliged to continuously monitor pH values, wastewater temperatures, and sediment quantities.
SOCIAL RESPONSIBILITY:
Human Rights & Fair Working Conditions
Excerpt from our Social Policy:
✔ Scope: The social criteria are binding for all stages of textile processing, garment manufacturing, and trade, including the farm level. They are based on the core conventions of the International Labor Organization (ILO), the UNGPs, and the OECD Guidelines.
✔ Voluntary Employment: Any form of forced labor, debt bondage, human trafficking, or slavery is strictly prohibited. Employees retain their identification documents and are not required to pay deposits.
✔ Freedom of Association: All employees have the unrestricted right to form or join trade unions and to engage in collective bargaining.
✔ Prohibition of Child Labor: The employment of children is prohibited. Young people under 18 years of age may not perform night work or hazardous activities and are limited to a maximum of 8 working hours per day.
✔ Non-Discrimination & Protection against Mistreatment: We do not tolerate any discrimination based on gender, race, religion, age, disability, or sexual orientation. The work environment must demonstrably be free from bullying, violence, and sexual harassment.
✔ Safe Workplaces: Companies must provide free personal protective equipment, maintain safety data sheets for chemicals, and guarantee clean sanitary facilities and free drinking water.
GOVERNANCE:
Transparency, Ethics and Responsibility
Excerpt from our Code of Conduct:
✔ Ethical business practices: Green Shirts establishes a binding Code of Conduct for corruption prevention and fair competition conditions along the supply chain. Agreements with competitors regarding prices, conditions or delivery areas are strictly prohibited.
✔ Anti-corruption policy: Any granting or acceptance of undue private benefits, money or valuables is prohibited. Benefits to public officials and civil servants are prohibited regardless of their value.
✔ Money laundering & taxes: Green Shirts does not tolerate money laundering. All tax returns, customs declarations and foreign trade data are declared truthfully and in accordance with the law.
✔ Complaint mechanism & whistleblowing: A functioning, effective and largely anonymous complaint mechanism has been established. Employees or informants who report potential violations are strictly protected from disciplinary measures, dismissal or discrimination.
🌱 ESG KPIs in focus
Finishing 🧵
100% finishing in Germany by sustainable finishing partners*
*mostly GOTS certified
Reforestation🌲
At least 500 trees per year fixed + 1 tree per online order via Plant for the Planet.
Finance 💳
Business banking activities are handled via the eco-social GLS Bank
🎯 Goals & Roadmap
We are constantly working to improve and systematically expand our monitoring and sustainability measures along the entire platform value chain.
Next operational steps:
- We are currently reviewing the implementation of the next formal audit steps for maintaining the Green Button and B-Corp certifications.
- Increasing the proportion of transport and logistics processes handled in a CO2-neutral manner.
