[All day comfort]: Men's Autumn Pants thermal set made from a 92% soft polyester / 8% spandex blend with a super skin-friendly fleece lining. They fit like a second skin to minimise heat loss and keep you feeling safe all winter long with this lightweight but warm thermal underwear set. [ Powerful moisture wicking ] The men's thermal top and bottom sets are made from moisture wicking and breathable fabric with a wool thermal underwear men's moisture transport system that quickly wicks away sweat to keep you dry and light, so it's easy to stay out of the wet. You can always relax or brave the outdoors and pursue an active lifestyle. [Perfectly designed for men]: Men's winter bottoms are perfect for formal or casual wear, or as comfortable pyjamas on chilly nights. Wear this set under your clothes when you're out jogging, running or cycling to stay warm and comfortable in cold weather or inclement weather. [ Flexibility ] The 4-way stretch provides full movement and an anti-squat design with strong seams that won't tear prematurely. The thermal underwear suit offers you flexibility by embracing your body's movement, allowing you to feel free in all activities, keeping you warm without losing your range of motion and comfort, whether shopping or relaxing. [100% Satisfaction Guarantee]: We promise that these are the most comfortable men's thermal trousers you will ever own. If for any reason you don't like your thermal underwear set, please let us know and we will refund your money or send you a replacement! We're sure you'll love it!