X-Bionic Energizer 4.0 Shirt Round Neck Long Sleeves Men Baselayer Functional Sport T-Shirt - Opal Black/Arctic White, Large by Amazon.co.uk

• With its moderate compression, the round neck t-shirt for Men fulfils all the wishes of demanding winter sports enthusiasts who want outstanding wearing comfort and optimizing thermoregulation

• The functional underwear Is manufactured on precision machines using the pioneering Retina process. The result is an ultra-dense knitted fabric that integrates 13 highly effective technologies

• 100% Polyester

• Machine Wash

• Fastening: Pull On

• Collar Style: Flat Collar

• Energizer 4.0 Round Neck Long Sleeve

• Compression

• Long Sleeve

• NG-YT06W19M

• The legendary patented 3D Bionic Sphere System with thermosiphon technology is more powerful than ever: cool when you sweat, and warm when you are cold

• The air complex-zone on the upper abdomen and the Air-conditioning Channel with surrounding air Guides support temperature-controlled ventilation under a second layer of Clothing

• 100% research, development, design and communication done in Switzerland, made in Italy. More than 600 awards and test Wins, over 800 patent registrations worldwide for the brand with the "X"