The North Face Nuptse Traction Booties Size:8 Anti pill micro fleece lining: Soft polyester Fischer Anti pill micro fleece lining: Soft polyester micro fleece adds next to skin comfort and helps manage moisture throughout the day and internal media storage they balance casual comfort with enough weather protection and traction to handle typical winter conditions around the mountains Waterproofing Polyester ripstop upper with weather resistant protection suited to snow and slush rather than full stormproof performance Warmth 700 fill down insulation (Responsible Down Standard or recycled) delivers high loft warmth ideal for cold winter use and après wear Fit Unisex