WOW these guys are awesome. The sweater is well made beautifully packaged and it's a perfect fit. Medium I am a slim build 155 LB 5' 9''. Full disclosure I tried to purchase BLACK.. The web site said N/A in my size. I was disappointed.. who does not stock black? I reached out to the seller and it was handled in an amazing fashion, that I quickly received exactly what I ordered .. The price is right as well. What a great surprise 5 *s Thank you!! Yes will definitely recommend. Thank you Kally 31Bought for my husband for Christmas. Color is great, it's nice and soft, but definitely runs small. They definitely mean slim fit! My husband tends to be a small or medium, so I got the medium to be safe. It works wonderfully under suitcoats. It's fine by itself too.It is also more lightweight than expected, but good for the spring or fall, or for layering, like mentioned before.I love the arm length and how tight it is on my chest and arms but it’s a bit loose around the waist for me. I have a very V tapered body so I might be an exception. Overall great quality.Originally ordered this slim fit sweater in a size medium. Had to return: At 5' 10"; 168 lbs., I thought it would fit. Way too snug. This large size fits much better, but is still somewhat snug (I'm probably just not use to slim-fit sweaters). Quality seems very good. Happy with the purchase. Would recommend and re-purchaseIf you are planning to buy one of these sweaters, go one size larger. I know the description says slim fit but the one I received was like a compression fit. I'm 5'10" and 165lb and wear medium EVERYTHING, even in slim fit. This sweater wasn't even close. On the plus side the material felt soft and comfy. Returned and didn't bother getting the larger one.I bought this for my fiance for our baby shower and maternity pictures. Fits him perfectly. He's 6'0 and 140lbs, I ordered a medium and it still fit him with some extra room. I would recommend this to anyone who's looking for a special occasion or just a party, to wear.I’m 5’7” 155 lbs and draw stylish - European slim or American athletic cut. Chest 38-40” and the small fits perfectly. Great packaging and for the price a great looking sweater. Small maroon or wine. Will buy more if more colors are madeI purchased this sweater for my son. When he tried it on, the fit was perfect. It looked great and he said it felt great. Overall this sweater meets and/or exceeds the quality of sweaters that costs much more.