Single Tents For Sale skin (USA: only wall): Only one waterproof layer of fabric is used, comprising at least roof and walls. To minimize condensation on the inside of the tent, some expedition tents use waterproof/breathable fabrics.

Double skin (USA: double wall): The outer tent is a waterproof layer which extends down to the ground all round. One or aggrandized 'inner tents' provide sleeping areas. The outer tent may be just a embryonic deficient than the inner tent, or it may be a lot impressive and provide a covered living field divorced from the sleeping area(s). An inner tent requirement not be waterproof. The double layer may provide some insulation.