Two Tone Checkered Printed Fleece Pajama and Wide Leg Pants Dog and Owner Matching OutfitsSize Neck Girth Chest Back Length XS 7. 9 12. 2 8. 7 S 9. 1 13. 8 9. 8 M 10. 2 15. 7 11. 4 L 11. 8 17. 3 12. 6 XL 13. 8 18. 9 13. 8 Size US Waist Hips XS 6 28~30. 3 36. 6~39 S 8 30. 3~32. 7 39~41. 3 M 10 32. 7~35 41. 3~43. 7 L 12 35~37. 4 43. 7~46. 1 1X 14 37. 4~39. 8 46. 1~48. 4 2X 16 39. 8~42. 1 48. 4~50. 8 3X 18 42. 1~44. 5 50. 8~53. 1 4X 20 44. 5~46. 9 53. 1~55. 5 5X 22 46. 9~49. 2 55. 5~57. 9 6X 24 49. 2~51. 6 57. 9~60. 2