Hyena Hyena African Mammal, Social Behavior & Adaptations Britannica African Animal Facts: Interesting Facts About Hyenas Hyena Facts The Hyena Habitat, Behavior & Interesting Facts African Hyena. This men's sweater features a polo collar and offers the warmth and softness that only cotton can provide. The rib knit is thick and stretchy, made with a cotton polyester blend that is comfortable to wear all day. Washable and easy to care for at home for convenience. Item Size Chart Size Chest Circumference Shoulder Width Length Sleeve Length Hem Circumference Neck to Sleeve XS 39. 4" (100. 0 cm) 16. 9" (43. 0 cm) 26. 0" (66. 0 cm) 23. 8" (60. 5 cm) 35. 4" (90. 0 cm) 32. 3" (82. 0 cm) S 41. 3" (105. 0 cm) 17. 3" (44. 0 cm) 26. 8" (68. 0 cm) 24. 4" (62. 0 cm) 37. 4" (95. 0 cm) 33. 1" (84. 0 cm) M 43. 3" (110. 0 cm) 18. 1" (46. 0 cm) 27. 6" (70. 0 cm) 24. 8" (63. 0 cm) 39. 4" (100. 0 cm) 33. 9" (86. 0 cm) L 46. 5" (118. 0 cm) 18. 9" (48. 0 cm) 28. 3" (72. 0 cm) 25. 2" (64. 0 cm) 42. 5" (108. 0 cm) 34. 6" (88. 0 cm) XL 49. 6" (126. 0 cm) 19. 7" (50. 0 cm) 29. 1" (74. 0 cm) 25. 6" (65. 0 cm) 45. 7" (116. 0 cm) 35. 4" (90. 0 cm) *Size chart for reference only. Actual size might differ slightly due to the feature of the fabric.