Soft and warm polar fleece material, it is comfy to wear. Type: Pet Clothes Gender: Unisex Material: Polar Fleece Style: Fashion, Casual Seasons: Winter, Cold Weather, Autumn Features: Warm Outfit Apparel, Bee Shape, Cute Size Details (The size of hat is not included in length.) [Our Size S] Chest: 32cm/12.6", Back Length: 18cm/7.09" [Our Size M] Chest: 36cm/14.17", Back Length: 23cm/9.06" [Our Size L] Chest: 40cm/15.75", Back Length: 27cm/10.63" [Our Size XL] Chest: 46cm/18.11", Back Length: 30cm/11.81" Notes: This is Label Size(Asian/China size)about 2/3 sizes smaller than US AU EU size! Please, make sure of these actual measurements will fit you! The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. The size of hat is not included in length.