Product details - Patented, adjustable hand-weights that allow you to flex between 2-4-6 pounds. The Stakt Weights are an all-in-one solution that bring functionality and a sleek aesthetic to your workout routine. - FEEL: Cotton-stretch feels plush and holds tough from wash to wear - FAVE: Lofty terry fabrication cushions the heel and ball of your foot - Ribbing provides extra comfort - Product #861936 Size & fit - S/M = 4-6.5 - M/L = 7-9.5 Fabric & care - 78% Cotton/19% Nylon/3% Spandex - BREATHABLE: Airflow moves easily through the garment - Wipe clean. - Imported.