Theme : Anime characters Material : Flannel Gender : Unisex There is 1-2 cm deviation exists due to different measuring way.Size chart for Adult Onesie S - Size fits for height 59"-63" / 148cm-158cm M- Size fits for height 63"-67" / 158cm-168cm L- Size fits for height 67"-71" / 168cm-178cm XL - Size fits for height 71"-73" / 178cm-185cm Size Chart for Kids Onesie XS(85) - Size fits for height 39"-43" / 100cm-110cm S(95) - Size fits for height 43"-47" / 110cm-120cm M(105) - Size fits for height 47"-51" / 120cm-130cm L(115)- Size fits for height 51"-55" / 130cm-140cm XL(125) - Size fits for height 55"-57" / 140cm-145cm Size Chart for Slipper S: Suggests for Kids(Inner length: about 22cm) M: Suggests for Women (Inner length: about 26cm) L: Suggests for Men (Inner length: about 30cm) Notice:The slippers are not made for outdoor use because the soles made of rubber