Regular Fit: wider at the chest while still maintaining a modern silhouette. Size medium has a 27 body length (front and back), a 17.75 shoulder, a 42 chest, and a 25.25 sleeve length. Sleeve length changes 0.5 between sizes. Rib-knit mock neck. Quarter-zip placket. Long sleeves with rib-knit cuffs. Rib-knit hem. Model is 6'1 (185 cm) and wears a size medium.