Asics Compression Sock Size:Small The battery can be carried

The battery can be carried comfortably on the headband or be kept warm in your pocket to save battery life by using the included textile extension cord

Crafted to be light and fast

Material: Made of high-quality Lycra

Get a perfect blend of high-impact support and breathability thanks to a compressive yet comfortable fit plus strategically-placed mesh inserts in front and strappy style in the back

Elasticated ankle support

Asics Compression Sock Size:Small The battery can be carriedMake sure you've got a good running sock on and you're sure to feel the difference on your next run. The ASICS Compression Sock is designed especially with running in mind, and is made from a specialist knit fabric. The socks will help keep your blood pumping around your hardworking legs to keep you going further. Material: 98% Polyamide, 2% Elastane