Riber Family Sit On Top. Invest in some great family outings with our Family Sit on Top Kayak. This kayak has room for all the family with two full size adult seats and one smaller seat for a child. The smaller seat can also double up as storage whilst paddling on an expedition. The Family Sit on Top is suitable for paddlers of any ability. It is ideal for a family looking to do something different with their summer. Equally this kayak is ideal for solo paddlers and couples wanting a kayak with bags of extra storage for holidays and treks.