Eberlestock's Lochsa Merino 3/4 Zip-Off Pant is a base layer ideal for the backcountry. It features strategically-placed zippers to assist in adding and shedding layers, even when wearing boots, adapting your layering system has never been easier. 300 GSM merino layers provide the thermal efficiency necessary for colder environments. Crafted from a 93.5% merino wool and 6.5% Spandex blend, these garments trap body heat while maintaining breathability, preventing overheating and keeping your temperature regulated during low or high intensity activities, even in freezing conditions. Features of the Lochsa Merino 3/4 Zip-Off Pant Side zips for quickly shedding layers 93.5% merino wool & 6.5% Spandex construction Quick drying Moisture wicking Anti-microbial UPF protection Eberlestock Lochsa Merino 3/4 Zip-Off Pant Black XX-Large L3PB2