The only ice crystals youll be seeing on the Hot Chillys Womens Ice Crystal Mid Volume Sock are the ones in the artwork Theyre plenty warm so ice wont be able to form and they manage moisture so efficiently there will be no moisture to start with This sock also supports your foot with mid volume cushioning and compression arch support A stay up cuff ensures it doesnt droop or slip into your boot Mid weight knit provides maximum warmth Moisture Transfer Fibers wick moisture away from skin to keep feet warm and dry Mid Volume cushioning for added comfort Ribbed cuffs with Spandex keep socks in place Heel and arch support decrease foot fatigue during periods of high activity