-Comfotable down to -40*C -Vegan-friendly UPPER: -Seam-sealed waterproof nylon upper with faux fur snow collar and gusset tongue -Fixed 200g of 200B 3M Thinsulate(tm) insulation -Moisture-wicking lining -Bungee lacing system with Easy-Grab Lace Lock -NiteRays reflective technology OUTSOLE -Waterproof and flexible synthetic rubber shell -LIAM outsole with deep self-cleaning lugs for superior traction on snow