BOBR Socks- OCCUPATIONAL / HEAVY DUTY with silver and one year walk through guarantee are suitable for all day work and moving, in which the body creates moisture. These two-ply year-round socks have polypropylene inside - a hollow fiber - and cotton in upper layer that absorbs the sweat from of the body. Drainage channel ventilates your foot and reinforced the bottom part of the sock which inturn, guarantees high resistance against wind and assures a softer walk. Silver, knitted into the sock, acts antibacterially and reinforced hems that hold the sock stable even in loose footwear.