Birkenstock Cotton Rib New Sandcastle Unisex Socks Insoles FitFlop is known for incorporating

FitFlop is known for incorporating biomechanical technology into their footwear

With a closed back and adjustable ankle strap for a secure

Anatomically contoured EVA-foam footbed diffuses pressure & gives natural arch support

flexible EVA sole

Birkenstock Cotton Rib New Sandcastle Unisex Socks Insoles FitFlop is known for incorporatingAn everyday essential with a subtle Birkenstock twist. The Cotton Rib Sock in Sandcastle keeps things clean and classic, with a neutral tone that works effortlessly with your go to sneakers or slides. Crafted from soft, breathable cotton, the ribbed construction helps keep the sock comfortably in place while offering a snug, flexible fit. An elasticated cuff adds extra hold without feeling restrictive, making them easy to wear all day. Finished with a