Athlete-Focused Design: Thin, heated socks built for skiers in extreme conditions; Smart.Elastic.Technology: 2mm heating line warms toes evenly without altering boot fit; Performance Fit: Polyamide fibers deliver excellent support and stability during exercise; Precision Knitting: 200-needle construction ensures comfort, durability, and accuracy in skiing movements; Dry Comfort: Advanced insulation and moisture management keep feet warm and dry; Composition: Polyamide: 95%, Elasthane: 5%; Sold without batteries