A step forward in comfort for technical rope access workers. The structure and padding have been shaped for optimal ergonomics, especially on the neck. Double height adjustment (front and back) allows the worker to perfectly fine-tune the fit. Supplied with the patented HMS Belay Lock connector that features an anti-rotation system for a secure attachmet to the sit harness. Equipped with tension strap for securing a chest ascender in a streamlined way. Aluminum alloy attachment rings. 2 attachment points: 1 front, 1 back. Designed to be used in combination with the GT Sit, Access Sit and Tree Access harnesses for fall arrest. 2 sizes.