248528 os1st performance sock uni vit DW4775 The neoprene in the chest

The neoprene in the chest panel is 3mm but otherwise it is 2mm and nylon covered on both inside and outside making it durable

with a stand-up collar and a zipper closure that's perfect for zipping up against the winter cold

A membrane in the material makes the jacket windproof and water-repellent while it breathes

Slim fit with tapered legs

Combine with matching accessories

248528 os1st performance sock uni vit DW4775 The neoprene in the chestTA4 functional socks use OS1st's latest technology ThinAir, to create as airy and comfortable a sock as possible. With a very thin and airy top and a more padded underside, the result is cool with maximum comfort. We use OS1's patented technology for compression zones to create an anatomical fit and counteract chafing. If you need more relief for injury inflammation, you should look at the product FS4 from OS1st. TA4 is suitable for everyone who wants