Say hello to the first pair of sustainable tights in the world to unify a crafty combination of biodegradable yarn and ladder-resistant technology. Multitasking better than you on a caffeine high, The Bio in 30 denier is better for your legs, and better for the environment. Available in a high shaping waistband: 15cm / 6 inches with reinforced, 40 denier toes for extra stamina.