BIC Kayak Dosseret Power Backrest | Black This dynamic and comfy kayak backrests improves the paddle comfort of kayak seats, and are absolutely indispensable for long distance paddling. Apart from the greatly improved comfort, they further help increase paddle power, keeping your back well positioned in the lumbar region. The Ergonomic backrest is the best example of BICs expertise. Inspired by the windsurf harness design, it\'s a rigid, moulded, ergonomic backrest giving exceptional back support, to help deliver maximum power with minimum fatigue. There\'s nothing else that can match this on the kayak market.