These high quality soft Polypropylene unisex (mens and womens) sized thermal underwear top in black is moisture wicking, light-weight, fast-drying, hard-wearing, breathable and retains ideal warmth for outdoor activities. Thermal base layers play a vital role in keeping our bodies warm and comfortable whilst shredding or skiing the ski slopes. A close fit delivers best results. A definite must when you're are hitting the slopes this winter snow season, watching the footy or going camping