The Party Luchador 14/15 Socks from Burton Varying Blends of Nylon, Acrylic, Merino Wool, & Spandex Medium-Density Cushioning Throughout Sock Elastic Arch & Ankle Support Chafe-Free Link Toe Seam Stay High Comfort Band Midweight A midweight, breathable blend of woolly warmth, rider-specific support, & cushioning. Originally the Burton Party Sock was just called the Burton Sock. Then things started to get crazy with technical features like a ultra quick-drying, breathable, & super insulating Merino Wool blend, rider-specific support & cushioning, & no-irritation toe seam. Thats when team riders like Shaun White & Jussi Oksanen found out about the Burton Sock & turned the whole thing into a big party.