Icebreaker Merino 200 Oasis Long Sleeve Half Zip Thermal Top - Men's Gritstone HTHR Extra Large. Specifications for Icebreaker Merino 200 Oasis Long Sleeve Half Zip Thermal Top - Men's: Manufacturer: Icebreaker Sleeve Length: Long Sleeve Center Back Length: 27.9 in Age Group: Adults Apparel Fit: Slim Gender: Male Application: Everyday Snow Sports Hiking Shirt Style: Thermal Zip-Top Fabric/Material: 100percent Merino Wool Weight: 12 oz Features of Icebreaker Merino 200 Oasis 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 Drop tail hem for added coverage Package Contents: Icebreaker Merino 200 Oasis Long Sleeve Half Zip Thermal Top - Men's Icebreaker IBB04367013XL: Merino 200 Oasis Long Sleeve Half Zip Thermal Top - Men's Gritstone HTHR Extra Large