WEARABLE WORKOUT ARM AND LEG WEIGHTS - 4 PIECE SET SIZE SMALL/MEDIUM Wear your workout wherever you go! Worn discreetly under everyday clothing Fits forearms 8-11" Set of 2 and calves 11.5-14.5" Set of 2 (4 piece set!) Weights adjustable for a customized workout Provides an all day exercise equal to a 2-mile run