Icebreaker Merino 260 Tech Long Sleeve Half Zip Thermal Top - Men's Trail Extra Large. Specifications for Icebreaker Merino 260 Tech Long Sleeve Half Zip Thermal Top - Men's: Manufacturer: Icebreaker Sleeve Length: Long Center Back Length: 27.9 in Age Group: Adults Apparel Fit: Slim Gender: Male Application: Everyday Snow Sports Hiking Fabric/Material: 100percent Merino Wool Weight: 11 oz Last Chance: Yes Features of Icebreaker Merino 260 Tech Long Sleeve Half Zip Thermal Top - Men's Soft lightweight and naturally odour resistant fibre that keeps you warm when it's cold and cool when it's warm Gusseted underarms for mobility and comfort Offset shoulder seams to help reduce friction Flatlock seams to help reduce friction Backward set side seams to prevent friction Package Contents: Icebreaker Merino 260 Tech Long Sleeve Half Zip Thermal Top - Men's Icebreaker IBB043720GRXL: Merino 260 Tech Long Sleeve Half Zip Thermal Top - Men's Trail Extra Large