The PRO TREK, the authentic outdoor gear that continues to evolve with advanced technology and design, now has a replaceable band. The band can be easily replaced by operating the lever at the base of the sliding lever type band. 1 These interchangeable bands are carabiner attachable to a sack or harness depending on the season, environment and intended use. MaxiFresh®*2 is a special cloth band that eliminates unpleasant odors and bacteria in all sports and outdoor activities as well as in daily life. This is a replacement band that can be customized to your specifications in pursuit of practicality and a sense of gear for the outdoors. 1 Compatible models: PRW-60 / PRW-50 / PRT-B50 (as of September 2019) 2 "MAXI FRESHⓇ" rapidly eliminates unpleasant odors in all sports and outdoor activities as well as in daily life, much more powerfully than conventional clothing. MaxiFreshTM quickly eliminates unpleasant odors by neutralizing sweat odor components at the molecular level. A special cloth band made of this material is used to prevent the growth of sweat and bacteria on long mountaineering trips, and the odor-eliminating function is restored by washing for a long time.