Marine Layer is a San Francisco–based clothing brand, founded in 2009, known for its “absurdly soft” casual apparel—ranging from tees and knits to outerwear—designed with a laid-back, “7-day weekend” vibes. Since 2022, Marine Layer has held B Corp certification, placing it among fewer than 0.5% of U.S. apparel brands that meet rigorous standards for legal accountability, public transparency, social and environmental performance