17 Free Weight Exercises for Toned Arms - Tank top season is just about here and that means those arms are going to be all out for the world to see. Of course, you want them to be tank-top and tankini ready which means you’ll have to work them hard – biceps, triceps and shoulders. All you need to turn those arms into sculpted works of art is a pair of free weights. Not quite sure though what to do? Well, here are 17 great exercises that can help your arms look their summer best.