90% Polyester, 10% Spandex COMFY, COZY, & CUDDLE-READY - Designed to wear through pregnancy, breastfeeding, and beyond, this sleek and versatile pajama set will quickly become your go-to loungewear. The Jane Nursing Thermal Pajama Set has discreet nursing access and a sleek, feminine design - say goodbye to bulky, sweaty thermal PJ sets! SUPER SOFT & LIGHTWEIGHT - The ultra-soft, breathable fabric makes these nursing pajamas perfect for wearing on their own indoors or layering under other clothes for extra warmth without added bulk. For a more relaxed fit, we recommend sizing up. CONVENIENT NURSING FUNCTION - The ingenious nursing panel means you don’t have to choose between breastfeeding and staying warm - you can feed your little one while enjoying all your favorite fall and winter activities. No more peeling off layers of clothing in order to nurse! VERSATILE & COMFORTABLE - These nursing pajamas for women, ladies’ long johns - or long Janes, if you will - can be worn as breastfeeding sleepwear, innerwear/long underwear, or loungewear. With so many options, you may never take the Janes off!