The GoFit Weighted Aerobic Gloves increase conditioning, strength-building and sport training. The open-palm and form-fitting design makes them comfortable for any workout level. Whether you are walking or in the midst of a cardio-blasting session, the 1 LB added to each hand will boost calorie burn and maximize the results of your workout. Product Features Zipper-Secured Pockets for Weight Inserts Form -Fitting, Comfortable Design One Pair Weighted Aerobic Gloves (1 LB / .45kg per glove) 4 Weight Inserts; 2 inserts per glove (.5 LB / .226kg each)