Materials vary by item. Most pieces use polyester blends—commonly polyester with a small percentage of spandex (examples shown include 92% polyester/8% spandex and 98% polyester/2% spandex). Some pajama pants are listed as cotton/polyester blends (for example 60% cotton/40% polyester).
Care guidance is generally machine wash and tumble dry. Several listings add specifics such as washing inside out on cold with like colors and tumble dry low; one listing also cautions not to iron directly on printed fabric.
Waist and closure styles vary by item. Some pants feature a wide (about 2‑inch) waistband with an adjustable drawstring and a button fly, while others are pull‑on with elastic waistbands and drawstrings; a few listings specify a narrower elastic waistband with a drawstring.
Many listings label the material as 'Year Round Fabric Construction' and describe the fabrics as lightweight, indicating the pieces are presented as suitable for year‑round indoor wear.
Union suits are described with front zippers—often a long, two‑way zipper that runs from the crotch to the neckline to allow easy on/off and secure coverage.
Comfort features highlighted include soft, stretchy fabric blends; ribbed or cuffed wrists and ankles; roomy or relaxed silhouettes (including drop‑crotch styles); and character details such as hoods with plush 3‑D ears and soft fabric tails.