Simms Challenger Jacket Size Chart

Size (US)Chest (in.)Neck (in.)Sleeve Length (in.)
S36 - 3815.5 - 1633 - 34
M39 - 4116 - 16.534 - 35
L42 - 4516.5 - 1735 - 36
XL46 - 4817.5 - 1836 - 37
2XL49 - 5118.5 - 1937 - 38
3XL52 - 5419.5 - 2037 - 38
4XL55 - 5720.5 - 2137 - 38