Oasis Long-Sleeve Half-Zip Top from Icebreaker are made of lightweight 200gm 100% merino wool from New Zealand. Ideal for layering, the Oasis LS Half-Zip Top is a slim fit and flat locks seams to prevent chafing so there is little bulk when wearing under any top. One of the greatest benefits of merino wool is the naturally odor-resistant and breathable fabric, making this top ideal for outdoor activities such as hiking, snow sports and travel. Features: Zip neck collar for temperature regulation Offset shoulder seams prevent pack rub Flatlock seams prevent chafing Drop tail hem for added coverage Icebreaker heat transfer logo Slim Fit Materials: 200gm jersey / 100% Merino