HTC VIVE Tracker Belt and HTC VIVE Tracker Hand Strap. It also works with leading motion capture softwareAdjustable shoulder straps and grip. The waist belt and shoulder straps can be easily adjusted according to the size required.Breathable elastomeric neoprene is comfortable and secure and fits most waist sizes as well as foot and shoe sizesThe HTC VIVE Belt and Shoulder Straps are designed for gamers who like to play VR games for long periods of time and are resistant to wear and tear.