On cold winter days, treat yourself to effective thermoregulation and outstanding wearing comfort with the X-BIONIC^® APANI^® 4.0 MERINO SHIRT ROUND NECK LONG SLEEVE MEN. The new 4.0 generation is the first to feature the Retina^® ultra-high definition quality for unique accuracy of functionality. For a targeted effect, intelligent functional zones can be positioned even more precisely in the ultra dense knitted fabric.

The high-performance functional underwear for ambitious winter sports enthusiasts offers the top comfort of the APANI^® Merino Premium fibre for a decisive plus in performance even in extreme cold.

The legendary patented 3D Bionic Sphere^® System with ThermoSyphon^® technology is more powerful than ever: Complex 3D structures and Y-shaped elements maximize air exchange, cool when you sweat and warm when you are cold - now faster and more efficient than ever.

Functional zones such as the Air-Conditionig Channel^® and the AirComPlex-Zone, as well as ISO-Shoulder and ISO-Chest Area, are also performance-enhancing thermoregulating technologies. Expansion Ribs^® at the elbows ensure optimum climate comfort and at the same time offer full freedom of movement.