Fabric constructions listed include 1x1 rib and fleece. The fabric weight is described as midweight.
Common durability features include double-needle stitching at the hems and reinforced seams. Many listings also include deep front pockets; some styles additionally note a back pocket or an adjustable waistband.
Most listings feature deep front pockets to keep items secure. Some styles also include a back pocket for added storage. Availability varies by model.
Most listings specify a 60% cotton / 40% polyester blend. Fleece versions are described as using ring-spun cotton for added softness.