In my opinion, these run a little large so that thick socks can be worn with them COPIED from the description on Sorel's website:WINTER ROYALTYWhen it comes to perfecting winter function and style, no boot does it better than Joan of Arctic™. Featuring waterproof suede, a seam-sealed waterproof design, and a rubber sole for grip — it's not hard to see why it's considered a winter essential.UPPER: Available in a waterproof suede upper with faux fur cuff. Seam-sealed waterproof construction. Laces are not waterproof.INSULATION: Synthetic insulation. Removable 6 mm washable recycled felt inner boot.MIDSOLE: 2.5 mm bonded felt frost plug.OUTSOLE: Handcrafted waterproof vulcanized rubber shell with herringbone outsole.HEEL HEIGHT: 1/2 in.PLATFORM HEIGHT: 1/4 in.SHAFT HEIGHT: 8 3/4 in.LACE LENGTH: 52 in.Please note: Laces and zippers incorporated in SOREL footwear are not waterproof.Measurements based on size 9.Uses: Heavy SnowRN# 69724Imported✨Thank you so much for shopping my closet and supporting my family and small business✨️Keep in mind - not all brands size the same and most vintage clothing runs significantly smaller than modern day clothing. Measurements and material composition on items are available upon request.✨️Bundle multiple items together for a discount and only pay shipping once!tags: snow, extreme weather, winter, hiking, outdoor, mountain, waterproof, warm, fur, faux fur, leather, suede, lace up, sledding, ski, skiing, slopes, rubber