These are Boris Bidjan Saberi's Pants. The "LONGJOHN" model is a standard item with a taped finish. The inseam is made of ribbed cotton and Lycra, a stretchy material, and the silhouette is comfortable and not tight. The length can be adjusted by pulling up the hem with the belt straps on both sides, allowing you to wear it in a variety of ways to match your outfit. The waist is also adjustable with elastic and a drawcord, making it an easy item to use on a daily basis.