Loggers, linemen, landscapers… men who work outdoors need thermal shirts that are warm, free-moving and layer easy under protective gear without steaming them up. Longtail T® Waffles hit all the marks, with a generous serving of lofty 60% cotton/2% spandex waffle knit that's highly breathable yet warmer because the little square knit "waffles" trap body heat better. Now they're in Trim Fit, for comfortable, bunch-free layering under sweatshirts and protective gear. Updated with 38% shrink-fighting polyester that retains color through repeated washes. Hearty 9.2-oz. fabric wears hard and holds its shape. We added Armpit Gussets for easy reaching, plus the shirt is 3" longer to shield you from rear-chapping winter blasts when you bend. Back locker loops for easy hang-ups. Mock Henley has button placket, so you can let off a little steam when you need it.