Icebreaker 300 MerinoFine Thermal Leggings - Men's Black 2XL. 5 micron merino fibers the Merino Leggings are a premium base layer that will keep you warm and comfortable on the coldest of days. Specifications for Icebreaker 300 MerinoFine Thermal Leggings - Men's: Manufacturer: Icebreaker Length Alpha: Regular Gender: Male Age Group: Adults Application: All Purpose Fabric/Material: 100percent Merino Wool Weight: 28.34 oz Apparel Fit: Slim Fire Resistant: No Reflective/High Visible: No Features of Icebreaker 300 MerinoFine Thermal Leggings - Men's Exceptionally soft and luxurious 15.5 micron merino fibers that regulate body temperature in all weather conditions and resists odors Contoured pouch Gusset for mobility and comfort Flatlock seams to prevent friction Package Contents: Icebreaker 300 MerinoFine Thermal Leggings - Men's Icebreaker IB0A56B9001XXL: 300 MerinoFine Thermal Leggings - Men's Black 2XL