I ordered a pair of large at first, they were a little tight. My wife seen them when I tried them on and she said you should give those to me and get a larger size. She tried them on and loved them so I didn't say no lol, I ordered size XL they fit perfect. The pant is very warm for the weight and so comfy. Pnuma makes the best products in my opinion just get some you won't be disappointed I promise.

Let's see I have three sets of top / bottom. I gave a 4th set to my son. Hmmmm I can't decide if I like them or LOVE THEM!!!

Great by themselves as a base layer under cotton pants early on. The fit is really good. No bunching / no bulk. They really do function as marketed. What more can you ask?

Let me put it all together for you. It gets a little colder - I put on my Iconx Heated Vest. A little colder I drop all three and start over with my size L Iconx Pant and Shirt. COLDER? I then put the Base Haven outfit back on and top them off with my XL set of Iconx Pant and Shirt.

Down as low as 6 degrees - I have only gone to the "medium" setting twice. Usually I can make it 6 hours plus on the "low" setting.

That's how I use MY Base Havens. I guess "LOVE THEM" it is!

these are excellent mid weight pants I have two other pair that I have washed many many times and they still are like new. they are fairly warm and if you wear a lighter layer underneath you can hunt in the coldest conditions. saying that, I'm getting up in years and can't take the cold like I used to. I'm sure that if I were younger these would be great in almost any conditions. the best part I bought them on sale for half price and got two for the price of one.

Great base layer for mid to late season hunts. They keep you cool when you need it and warm when the Temps drop.

Everything I've bought from Pnuma is so comfortable. These long johns kept my legs nice and warm for a 14hr work day in freezing temps and wind/rain for a trip to Indiana in January. Love the comfort.

Base Haven Pant performed flawlessly on my duck hunt.