The terra nova bothy 20 is a mammoth sized emergency shelter suitable for large groups of up to 20 people to create a microclimate to escape the elements this bothy is suitable for temperatures as low as 30 c has a roof socket to fit a walking pole for extra support mesh vents for comfort and durable waterproof seats making it a welcome shelter from the wind and the rain so whether you need a bit of shelter to be able to read your map have some lunch or just have some protection from the elemen