These pants are stretchy and feel light. They are made of thin fabric. These are used items, having been used several times for mountain climbing. Please check the color in the fourth photo. The color appears lighter in the first three photos. The original product description is as follows: These trekking pants are slim-fitting yet exceptionally easy to move in, and highly breathable. They have a slim and streamlined silhouette, but are easy to move in thanks to their excellent stretch and three-dimensional cut. They use "Dot Air," an air-cooling material that opens ventilation holes when stretched, providing excellent breathability. They are perfect for trekking in the hot summer season. Features ● Super three-dimensional cut "Extreme Pre-curve Silhouette" ● With security pocket ● Gusseted crotch