Mens 2-PC Thermal Underwear Set Waffle Knit Long Johns Top and Bottom LASTING SIZE AND SHAPE Ideal for the winter temperatures drop and snow falls this winter. Cozy up with your favorite blanket and hot tea. thin and feel like smooth felt. They are more like wearing silk. You may not even notice you're wearing them. MENS THERMAL UNDERWEAR SET Waffle Knit Long Johns Top and Bottom wear it under your casual clothing or business suit without bumps and bulges. Will become you favorite over silk. Thin and light but you can feel the heat immediately. BASE LAYER and not bulk up under your clothes at all. wears them under your clothes for work and to bed. fits loose enough to grow some and not squeeze your forearms when having to roll them up. Layering is key to staying warm and these fit the bill. ADDS EXTRA WARMTH in the Fall and Winter, retains body heat. won't interfere with normal clothes either. don't cling to your shirt or pants so you forget they are there. for warm winter thermals to wear to sleep. for your trip to colder climates. VERY LIGHTWEIGHT MATERIAL you won't even want to wear a sweater over it. Very comfortable to Lounge in when you're a little bit chilly. Well-made and durable. for the brutal cold whilst skiing or for strolling cold cities during the day, night.