Occasionspractise performance outdoor leisure sports genderunisex activityjogging fitness camping hiking running traveling cyclingbike beach climbing fishing typecycling backpack hiking backpacking pack armband capacity l20l capacity range l30 40 materialpolyester nylon functionmoistureproof wearable rain proof quick dry multifunctional compatible cell phone brandsall phones iphone 6iphone 6siphone 7 brandwest biking brandwest biking