Montbell mont-bell 1105521 Ridge Line Pants Men's M-S size Very stretchy and easy to move in. Because they are thin, they are suitable for mid-summer only in high mountains, and early summer to early autumn. There are no noticeable stains. Product Information These are active pants with excellent stretch. 2-way stretch fabric is used on the seat and knees, and the slim silhouette allows for smooth leg movement.