Optimal balance between flexibility, comfort, and strength. We recommend using it with magnesium. Suitable for all types of surfaces (bars, rings, kettlebells, rowing machines). Hole-free design for quick transitions from one exercise to the next. Two layers of microfiber provide a soft texture and a pleasant as well as secure grip. Free headbands are included. Designed for athletes of all performance levels weighing less than 90 kg. Made from 100% vegan materials.