When you need to play the wind right dont find yourself guessing, use Dead down wind Wind Checker to ensure you position yourself correctly. The micro ESP(R) helps to maintain a scent free environment unlike other talc or powders that generally carry a signature odor. Twice the volume of other brandsNano particles carry further and are most effective in a wider range of wind conditionsTotally odorlessMicro ESP(R) enzyme powder helps maintain a scent free environment