They are sold as 2-piece sets that pair a Henley-style top with pajama pants.
Sizes typically range from Small through Extra Large, and many options are also offered in double-extra-large (2XL) and triple-extra-large (3XL).
Pants are generally pull-on with an elastic or full waistband. Many styles include a functional drawstring for adjustment, and some also feature a button fly.
Thermal options use insulating fabrics such as polar fleece, microfleece, and waffle-knit (thermal) fabric.
Sets are commonly described as a regular fit. Some styles use single-layer construction, and product descriptions often note careful stitching and hem lining for durability.
Some pants include two pockets and a button fly. These features are commonly paired with an elastic waist and a functional drawstring.
