TracCollar Standard Size: 16 inch collar size or less, also recommended if under 6 foot tall. The neck or cervical spine is vulnerable to conditions that cause pain and reduce motion. Neck pain often results from poor posture habits when working or sleeping in an awkward position, muscle strain injuries, joint irritation, stress & tension,

RÖWO high-grip myofascial release wax combines good resistance and glide qualities.

TracCollar Large Size: 16 inch collar size or above, also recommended if 6 foot tall or over. The neck or cervical spine is vulnerable to conditions that cause pain and reduce motion. Neck pain often results from poor posture habits when working or sleeping in an awkward position, muscle strain injuries, joint irritation, stress &