The size are unisex, so no matter you are men or women, you can wear it, we also suggest you can use as couple pajamas, you can mixed it.Hooded design, windproof warm, and have pockets to keep your hands warm, you can also wear outdoors Item Includes :1x pajamas The onesies has a ZIPPER on the buttocks for easy toileting!!! Size Adult size : S: Bust: 116cm; Length: 130cm; Shoulder : 50cm; Sleeve : 58cmHeight148-158cm; Weightwithin 55kg M: Bust: 120cm; Length: 140cm; Shoulder : 52cm; Sleeve : 60cmHeight159-168cm; Weightwithin 70kg L: Bust: 128cm; Length: 150cm; Shoulder : 54cm; Sleeve : 62cmHeight169-178cm; Weightwithin 85kg XL: Bust: 140cm; Length: 160cm; Shoulder : 56cm; Sleeve : 64cmHeight178-185cm; Weightwithin 95kg Kids size: 120: Bust: 100cm; Length: 100cm; Shoulder : 42cm; Sleeve : 37cmHeight116-125cm 130: Bust: 104cm; Length: 110cm; Shoulder : 44cm; Sleeve : 48cmHeight126-135cm 140: Bust: 108cm; Length: 120cm; Shoulder : 46cm; Sleeve : 50cmHeight136-145cm