Knife & Steel Men's 24/7 Traditional Jacket Poly-Cotton Size Information: Size: Extra Small Chest Size 32" to 34", Male Size: Small Chest Size 36" to 38", Size: Medium Chest Size 42" to 44", Size: Large Chest Size 44" to 46", Size: X-Large Chest Size 48" to 50", Size: 2X-Large Chest Size 52" to 54", Size: 3X-Large Chest Size 56" to 58", Size: 4X-Large Chest Size 60" to 62", Size: 5X-Large Chest Size 64" to 66"