Explore our range of earth-friendly underwear with organic cotton options and period-proof underwear. Here at Biome, we understand that sustainability is most important when purchasing your base layer items. That's why we have searched long and hard to bring you our sustainable and ethical selection of organic cotton underwear. Style meets functionality in this category, with various shapes and sizes waiting for you! Brands include; Modibodi, AWWA, and Etiko. So whether you opt for black undies, neutrals or colours, you will find what you are looking for. Build your capsule wardrobe from the ground up and invest in women's sustainable underwear that will help you look and feel your best.