Micro-Elite "XT" is our mountain weight, single face stretch base layer that can also be used as a mid layer. These men's base layer tights are the perfect choice for when it's really cold and layering is a must! The smooth face makes these thermal footless tights easy to layer another garment over it. These thermal pants for men have NO fly on front. Features: Durable smooth outer face for easy layering tights Soft, brushed fleece backing Wind resistant Gusset eases movement and reduces seam bulk Covered elastic waistband for added warmth & comfort Hot Chillys reflective logo UPF 40 protection 4-way stretch for next to skin body fit Mountain weight warmth, body fit