Tents can generally be categorized into three types based on the number of layers: single-layer tents, double-layer tents, and triple-layer tents. Single-layer and double-layer tents are the most common on the market, while triple-layer tents are relatively rare.

Single-Layer Tents
Single-layer tents feature a relatively simple manufacturing process. Their most notable characteristics are being lightweight, economical, and compact.

Double-Layer Tents
The key difference between double-layer and single-layer tents lies in the addition of a breathable inner tent. During cooler seasons, body heat escaping the tent interacts with the external air, causing moisture to condense on the inner tent walls. In a single-layer tent, this condensation would drip down the walls, wetting the sleeping bag. With the inner tent added, the outer tent
does not connect directly to the inner tent. This allows body heat to pass through the inner tent, causing any condensation on the outer tent to drip to the ground. This effectively solves the problem of condensation on the inner walls of single-layer tents.

Three-Layer Tents
The three-layer tent design incorporates an additional suspended cotton lining within the inner tent, significantly enhancing insulation. Even
in outdoor temperatures around -10°C (14°F), the cotton lining maintains an interior temperature near 0°C (32°F), preventing the tent from becoming excessively cold.