FN-THL-101 - Waffle Knit Long-Sleeve Thermal - Black Size:36 | S Model: 6'0'' and 175 lbs

Model: 6'0'' and 175 lbs wearing size 40 | L for a roomy and relaxed fitting flannel with the length coming in a bit long

if you prefer something a little slimmer (while not too slim)

Traditional Type III Denim Jacket pattern

but generally you should either be able to take your typical American brand size

FN-THL-101 - Waffle Knit Long-Sleeve Thermal - Black Size:36 | S Model: 6'0'' and 175 lbsThe Flat Head Waffle Knit Long Sleeve Thermal in Black is a comfortable and excellent warming layer that is soft and stretchy, and can be versatile as both a base layer or as your primary layer. Constructed with their triple needle stitched collar for a tight neck opening, these have a beautiful micro waffle structure with high elasticity in the body to make this comfortable in the width (chest torso), but still appropriate in the length without