15kg barbells are perfect for those with smaller hands. The barbell diameter is thinner too. The grip of the barbell can not be understated. It's critical to have the correct feel of the barbell while lifting. If you want to avoid slipping, for example, then you want to try a thinner bar, depending on the size of your hands. The women's shaft diameter is 25mm vs. the men's 28-32mm. 15kg=33 lbs. Check these out, or contact us with questions.