This cozy sweatshirt is made from a blend of organic cotton and polyester for a material that is soft, thick, and comfortable to wear. Item Size Chart Size Chest Circumference Shoulder Width Length Sleeve Length Hem Circumference Neck to Sleeve XS 41.3" (105.0 cm) 17.7" (45.0 cm) 23.0" (58.5 cm) 22.0" (56.0 cm) 33.9" (86.0 cm) 30.9" (78.5 cm) S 43.3" (110.0 cm) 18.1" (46.0 cm) 23.8" (60.5 cm) 22.4" (57.0 cm) 35.8" (91.0 cm) 31.5" (80.0 cm) M 45.3" (115.0 cm) 18.5" (47.0 cm) 24.6" (62.5 cm) 22.8" (58.0 cm) 37.8" (96.0 cm) 32.1" (81.5 cm) L 47.2" (120.0 cm) 18.9" (48.0 cm) 25.4" (64.5 cm) 23.2" (59.0 cm) 39.8" (101.0 cm) 32.7" (83.0 cm) XL 49.6" (126.0 cm) 19.7" (50.0 cm) 26.2" (66.5 cm) 23.6" (60.0 cm) 42.1" (107.0 cm) 33.5" (85.0 cm) *Size chart for reference only. Actual size might differ slightly due to the feature of the fabric.