Lululemon
While comfortable and well-made, synthetic fabric construction and limited supply chain transparency raise moderate concerns.
Evaluated Feb 13, 2026
·AI-evaluatedPact
GOTS-certified organic cotton construction with transparent, fair-trade manufacturing practices.
Girlfriend Collective
Made from recycled plastic bottles with transparent supply chain and size-inclusive approach.
Icebreaker
Natural merino wool construction with responsible sourcing and biodegradable materials.
Nulu fabric appears safe for skin contact but lacks comprehensive chemical testing disclosure
Limited transparency on factory conditions and worker welfare practices
Synthetic materials contribute to microplastic pollution with minimal recycled content
Some material disclosure but lacks third-party certifications for safety or sustainability