The Sitter Shorts, models 635, 636, 637 and 638, are men's, women's, or children's shorts designed for wear by children and adults with mobility or lower extremity disabilities, spinal cord injury, and others who use wheelchairs. These shorts are available made of brushed bull denim, stretch denim, stonewashed denim, stretch twill, sweatshirt fleece or knit.The Sitter Shorts have a deeper seat for seated comfort, a lower front, and an elastic waistband. They are available with no fly or a fly with Velcro square closures that open to the inseam. OPTIONS: Side zippers. SIZES: Waist sizes 20 to 30 inches (model 635); 32 to 36 inches (636); 38 to 46 inches (637); and 48 to 54 inches (638). Each size available in following inseam sizes - short (inseam measures 10 inches); average (12 inches); longer (14 inches); and over the knee (16 inches). COLOR: A variety of colors are available. WARRANTY: Refund or exchange within 3 weeks of ship date unwashed; call or e-mail manufacturer before mailing returns.