PREMIUM MATERIAL: Soft and comfortable hypoallergenic cotton sphinx hairless cats have no hair, so their skin is very sensitive and fragile. This pet shirt is made of soft and hypoallergenic cotton. SOFT AND COMFORTABLE: In winter, this warm coat will keep your cat warm. The basic cat tee is simple but carefully designed to follow the lines of the cat's body. The elastic collar makes the coat easy to put on and take off, and the elastic waist makes running and jumping easier and more comfortable. EASY & CASUAL: This solid color casual fashion basic tee is easy to match with everyday wear, pajamas, photoshoots, party wear, holidays, festive occasions and more. Machine washable: This cat clothes can be machine washed or hand washed. Breathable and soft, perfect for Sphynx, Devon Rex, Cornish Rex and Peter Bald. Size suggestion: For hairless cats only. Size XS is suitable for weights up to 4.4 lbs. Size S is for 4.4-6.6 lbs. Size M is suitable for 6.6-10 lbs. Size L is for 10-12 lbs. Size XL is for 12-16 lbs. If your cat is not hairless but likes our shirts, please order one size up. Please see the size chart below for more sizing information.