Riber Standard Sit On Top Kayak. The One Man Kayak is a great starter kayak for someone just getting their bearings as it has a classic shape which is a firm favourite for many. It’s even popular with hire centres due to the robust build and quality roto moulded construction. The One Man Kayak incorporates both fun and safety into its design. It features an extra-large cockpit for a quick exit should you capsize. This makes it the perfect boat for any aspiring kayaker as there’s also plenty of room to grow.