Enjoy your run blister-free thanks to 2Toms BlisterShield Powder Medium 70 g Blue. Just add a single scoop into each sock, give it a quick shake, and let BlisterShield do the rest. This mixture is non-toxic, non-staining, and resists moisture, so you get a safe product on your feet that defends against unwanted blisters or hot spots. As an added benefit, a single application will remain effective all day or all race long.