Product details - FOR: Full control on the Pilates reformer - FEEL: Cotton-stretch feels plush and holds tough from wash to wear - FAVE: Silicone grippers help keep your feet in place during workouts - Lofty cotton fabrication cushions the heel and ball of your foot - Product #657070 Size & fit - S/M = 4-6.5 - M/L = 7-9.5 Fabric & care - 74% Organic Cotton / 12% Polyester / 10% Nylon / 4% Spandex - BREATHABLE: Airflow moves easily through the garment - ORGANIC COTTON: Organic cotton is grown from non-genetically modified plants and doesn’t use any synthetic agricultural chemicals such as fertilizers or pesticides - Machine wash and dry. - Imported.