Smartwool thermal leggings: Men's baselayer soft stretch pants, with slim designed to follow the contours of the body, with comfy wide merino-covered waistband Maximum comfort: Lightweight merino jersey fabric uses a recycled nylon core to increase durability while keeping super-soft 100% ZQ-certified merino wool yarn next to skin Premium performance ski or men's running trousers: Men's sports leggings with flatlock seam construction and an interlock knit, designed to minimise chafing Ideal for all seasons: Ultra-smooth merino helps regulate body temperature, breathes well, and naturally resists odours. Great for under ski trousers or combat trousers Go Far. Feel Good. Complete your winter wardrobe and create a cosy thermal layering system with Smartwool's merino wool technology, for ultimate all-season comfort all day long