These are comfortable. The material is less warm than a traditional brushed fleece, so will be good for transitional weather (spring, fall, warmer winter days). I actually bought them to work out, but I don't think they will be very good for exercising. They have a longer rise/crotch, and short legs, so they restrict lower body movement a bit. They are very good for lounging and will be fine to wear over my shorts to the gym when it is cold out. I do wish the legs were a bit longer, they cover my ankles when I am standing still, but walking, sitting, etc. they come above my ankles quite a bit. I am 5'6" for reference, but I don't have especially long legs.
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