This is the perfect mid layer for all sorts of demanding mountaineering activities! The Mountain Equipment Women's Matrix 190 Zip Tee boasts the benefits of both merino wool and synthetic fibres. Warm, breathable and easy to slip on and off, thanks to the 1/4 zip. Plus, the zip closure allows for venting when it gets too hot! With its ability inhibit odours, the Matrix 190 Zip Tee is perfect for multi-day trips and ideal for anybody who values a great warmth-to-weight ratio!