SleepytimePjs Women's Christmas Flannel Pajamas Flannel Enjoy the winter weather in a pair of Fun and Classic Button up pajamas!! The pajamas are made of 100% Flannel Cotton and are perfect to wear all holiday long! You will not be disapointed in the quality of this flannel. Very good quality and weight. Pants include 2 side pockets and an elastic waistband with drawstring. Matching Pajamas available for the whole family (and prime eligible) - Serach 'SleepytimePjs Family Matching' for all Family Matching Pajamas Sizes run as follows: X-Small (2-4), Small (6-8), Medium (8-10), Large (12-14), X-Large (16-18).