The New Olson Is Called Olson Carbon As We Made It In A Heavier Weight Organic Cotton With A Carbon Finish To Make It Ultimately Soft. Also The Collar Is Improved And More Solid To Wear From Desk To Dinner. We Have Kept The Fit The Same As The Regular Olson Longsleeve T-Shirt. The Perfect Essential For Every Season.

Regular Fit. When In Doubt, Order One Size Up.

30 Degrees Machine Wash.