Charles River Men's / Unisex Size Chart

How to measure: body measurements in inches, over light clothing. Chest/Bust — around the fullest part, tape level. Waist — around the natural waistline. Hip — around the fullest part. Between sizes? Size up.

Size	Chest	Waist	Sleeve
XS	33–34	27–28	30.5–31.5
S	35–37	29–31	32–32.5
M	38–40	32–34	33–33.5
L	42–44	36–38	34–34.5
XL	46–48	40–42	34.5–35
2XL	50–52	44–46	35–35.5
3XL	54–56	48–50	36–36.5
4XL	58–60	52–54	36.5–37

Unisex/men's body guide. Fits: Classic · Fitted · Relaxed · Oversized. Tall adds 1 in sleeve.

Source: Charles River Apparel size guide