ACTIVE SKIN 4 WOMEN'S SETKickstart your short distance trail adventures with easy hydration. As a stepping stone to take your trail running to the next level on shorter distances, our updated womens ACTIVE SKIN 4 is now even easier to use and comfier to wear. The fabrics are still just as soft and breathable, the ultra secure fit is adapted for women and the revamped chest pockets provide effortless access to your flasks.