Space-themed pajamas are offered in a range of styles: one-piece union suits, two-piece long-sleeve sets with jogger pants, short-sleeve T-shirt-and-shorts sets, pajama shorts sets, and full-length lounge pajama pants.
Common materials include polyester variants (microfiber and microfleece), 100% cotton jersey, brushed Hacci, and polyester blends such as 92% polyester/8% spandex.
Space sleepwear is available for children (sizes from toddler through mid-teens—e.g., 4, 5/6, 7, 8, 10/12, 14/16 or ranges like 6–7 to 12–14) and is also offered in adult sizes for men and women.
Options include long-sleeve tops with full-length pants, short-sleeve T-shirt-and-shorts sets, and jogger-style long pants with cuffed ankles.
Adult one-piece union suits are full-length fleece garments with front zippers and decorative patches, described as lounge or costume pieces. Kids’ two-piece sets consist of separate tops and bottoms (pullover tops and pull-on bottoms) in lighter fabrics such as cotton jersey or Hacci, often with elastic waists and jogger cuffs.
Designs include space logos and mission patches, space shuttles, astronaut and rocket graphics, screen-printed artwork, and character- or movie-themed tossed prints.