Michelle is made from Q-CYCLE®, a new, innovative solution, that turns end-of-life tyres in to new raw material. The best part, it decreases the common incineration of old tyres which is very toxic and bad for the environment. You can read more here. Here's why you will love Michelle as much as we do: 60 denier Semi-opaque Comfort waistband Flat seams Toe reinforcement Cotton gusset Knitted from old tyres Produced by Calze Ileana S.p.a. Made in Italy 30 days warranty