ULTRA SOFT & WARM FABRIC Thermal Underwear is Made of Premium Silky Soft Lining for Excellent Comfort and Warmth in Cold Weather KEEP WARM & BREATHABILITY Perfect for cold weather, comfy stretch softwear in normal thickness, breathable, lightweight but warm, works excellently during your winter activities like snowboarding for added warmth EXCELLENT FLEXIBILITY FOR ANY MOVEMENT Four way stretch compression is designed for Freedom of Movement and to keep your Body Looking Slimmer. Flatlock stitching creates a flat seam to the garment to ensure maximum comfort TOP & BOTTOM Mens winter thermal underwear is super warm and soft on the inside and thins enough to fit under your shirt comfortably. This thermal set definitely can be wore as an outdoor compression sports shirt FOR ANY OCCASION This long johns set for cold weather. Idea for all kinds of indoor/outdoor activities, such as cycling, skiing, climbing, running, snowboarding, yoga, fitness body training etc Description: Item Name: outdoor sport thermal underwear set Size: M/L/XL/XXL Material: Made of 90% ultra-soft polyester 10% spandex with great breathability, Superfine sweat to keep warm Feature: perspire, keep warm, slim Application: outdoor sport, cycling, skiing, climbing, running Package Include: 1 black outdoor sports thermal underwear set Notice: All sizes are artificially measurement, the error in 1-2CM is normal the color of the picture maybe a little different from the reality which caused by many factors, for example, the pixels and your computer's screen.