Mens Merino Aero Grid FleeceThis lightweight garment is made from a grid fleece fabric consisting of 65% merino wool, 31% recycled polyester, and 4% elastane, offering a soft yet durable feel with a 260gsm weight and a fine 19. 5 micron fiber. Certified as a Woolmark Wool Rich Blend, it guarantees quality and performance. Designed for comfort and functionality, it features a 1 4 neck zip opening with a chin guard for added protection and ventilation, along with flatstitch seams