Ultra thick plush fabric with penguins and snowflake prints all over this soft and cozy pajamas. Extended collar can be worn as a turtleneck or folded down. Extended sleeves for dogs with longer legs and can also be folded up. A functional pocket on the back and an attached large D-ring for easy leash attachment. A small D-Ring attached near the neck area to add on a "Klippo" charm or ID tag! Each outfit comes in its own Klippo logo charm. (Size XS fits: Neck 6"~7.5"; Chest 10"~12"; Back Length 6"~8" / Size S fits: Neck 7.5"~9"; Chest 12"~14"; Back Length 8"~10" / Size M fits: Neck 9"~11"; Chest 14"~16.5"; Back Length 10"~12" / Size L fits: Neck 11"~13"; Chest 16.5"~18.5"; Back Length 12"~14" / Size XL fits: Neck 13"~15"; Chest 18.5"~22"; Back Length 14"~16")