For those warm days, this cool-touch shirt is ideal - easy to wear and versatile to match any outfit. Made of a smooth organic cotton material that is cool to the touch and comfortable to wear. Item Size Chart Size Chest Circumference Shoulder Width Length Sleeve Length Hem Width Neck to Sleeve XS 44.5" (113.0 cm) 18.1" (46.0 cm) 28.0" (71.0 cm) 10.0" (25.5 cm) 42.9" (109.0 cm) 19.1" (48.5 cm) S 46.5" (118.0 cm) 18.7" (47.5 cm) 28.7" (73.0 cm) 10.3" (26.3 cm) 44.9" (114.0 cm) 19.7" (50.0 cm) M 48.4" (123.0 cm) 19.3" (49.0 cm) 29.5" (75.0 cm) 10.6" (27.0 cm) 46.9" (119.0 cm) 20.3" (51.5 cm) L 51.6" (131.0 cm) 20.1" (51.0 cm) 30.3" (77.0 cm) 10.8" (27.5 cm) 50.0" (127.0 cm) 20.9" (53.0 cm) XL 54.7" (139.0 cm) 20.9" (53.0 cm) 31.1" (79.0 cm) 11.0" (28.0 cm) 53.1" (135.0 cm) 21.5" (54.5 cm) *Size chart for reference only. Actual size might differ slightly due to the feature of the fabric.