Marmot Men's Jackets Size Chart
  X-Small Small Medium Large X-Large 2X-Large 3X-Large
Height 4'11"-5'2" 5'2"-5'6" 5'6"-5'10" 5'10-6'0" 6'0"-6'2" 6'2"-6'4" 6'4"-6'6"
Weight (lbs) 90-110 110-135 135-160 160-195 195-230 230-265 260-290
Neck (in) 13½-14" 14½-15" 15½-16" 16½-17" 17½-18" 18½-19" 19½-20"
Chest (in) 33-35" 36-38" 39-41" 42-44" 45-47" 48-50" 51-53"
Sleeve (in) 30-31" 32-33" 34-35" 35-36" 36-37" 37-38" 54-57"

These are general guidelines only, sizes are not guaranteed. But no worries, since at SunnySports we offer our exclusive PFF Guaranty