Each pair only worn once, I prefer footies! Calf Socks Classic colors, Marl yarn twist. Borrowing a centuries-old technique from scarves and sweaters, we knit two yarns together to make a new beautiful multi-textured mega-color. We call them, Marls. As always, one purchased = one donated. Features & Cushioned Footbed V Seamless Toe 7 Y-Stitched Heel ∞ Honeycomb Arch Support = Stay-Up Technology @ Extra-Long Staple Cotton Full Fabric Content • Marl Calf Socks 4-Pack: (1) 70% Cotton (Supima®) 26% Polyester 4% Elastane; (2) 69% Cotton 27% Polyester 3% Rubber 1% Spandex • Calf Socks: 70% Cotton (Supima®) 26% Polyester 4% Elastane Bundle & Save! Questions? Leave a comment below!