@britishtextilestudio: Stop putting plastics against your skin. ❌ Polyester and nylon, and especially the harmful dyes used in products made from them are known hormone disruptors. They will lower testosterone and have been proven to lower sperm production (Dr Ahmed Shafik, 1993). Featured in this video: Our natural training T shirt in black (Lyocell & Merino Wool). Return to nature 🌱 #sustainablefashion #polyester #gym #microplastics #sportswear