Fabric: Made out of our 4-way stretch Polyester/Spandex Blend. They are impossibly stretchy. Inseam: These bad boys have a 5.5" Inseam, just like your dad wore. Fit: Elastic waistband with a drawcord and an updated fit. Pocket: Our normal Stretch Swim now has a zipper back pocket where our classic easy swim has no zipper. Liner: Stretch Mesh Liner for comfortability to the max