My son has worn this brand/style for many years. They are soft, do not sag and do not crumple under clothes, absorb moisture well. I went to the comments to find a photo with a size chart to see if it should go up and was surprised by how many commenters say "they run small". FYI, aged 14, 5ft 5in and 126lbs, the plus size fit him perfectly. Note that he also had a 25-inch waist and still had the old media in the drawer that he forgot to throw out when we bought new ones that he can still fit in.
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