Fabrics we use to make Joggin Set : 100% Combed Cotton Inside Brush Fleece 250 to 400 GSM 60% Cotton 40% Inside Brush Fleece 250 to 400 GSM 80% Cotton 20% Inside Brush Fleece 250 to 400 GSM Quality Standard : AZO Free , High Quality Sewing and Finishing. OKEO-TEX 100 Standard , Eco Friendly Pre Shrink , Pilling Free, Soft and comfortable Use