The Biotex Thermo long sleeve base layer zip is made with double-layer thermal fabric, designed for those who want to achieve the best performance without worrying about the weather. Ideal for all outdoor sports, it can also be used as underwear for everyday life.

• To be worn as a base layer during the colder seasons to stay dry and pleasantly warm even during prolonged physical activity.
• The double-layer fabric with an internal sponge knit has a unique characteristic: it creates an insulating air cushion that keeps your temperature constant, preventing heat and cold from coming into direct contact with the skin.
• Achieving high thermal comfort even at the coldest temperatures is essential to keep the body energetic and agile and to fully enjoy your sports performance.
• The 100% polypropylene Btx fabric is breathable, antibacterial, and hypoallergenic, does not retain sweat and odors: your body is wearing comfort and feels at ease in all situations.
  
• Color: Black.