Riber Photon Sit on Top Kayak The PHOTON Sit On Top Kayak is the first of its kind to be designed and made in the Peak District, UK. Keeping a timeless shape, Riber have designed the Photon Sit on Top Kayak to be packed with features. The ample hull width increases the stability on flat water. The integrated skeg cuts through the waves and the lightweight hull provides excellent tracking resulting in an effortless paddle for smooth sea use.