คุณลักษณะ

• In addition to the super absorbent fiber "Bell Oasis," new material "Cool Max" is used to quickly absorb and release moisture such as sweat.
• It can be washed with water to keep it clean.
• The neck muscle, which is responsible for motor nerves, and the large vertebrae below the seventh cervical vertebrae, which is affected by wind and cold, are cooled with evaporative heat and ice packs.
• The shape of the back cooling part has been changed from a conventional square shape to a round shape, and the turning up has been reduced. In addition, the Velcro is extended to allow for a wide range of adjustments.