Bridgedale has been in business for over 100 years. Bridgedale has a unique advanced zonal padding system called Shockzone®. This system provides extra comfort, support, and protection. Bridgedale A. T. Boot Plus Sock made with soft Merino wool with the transport properties of Coolmax®. The Bridgedale GTX Trekker Sock with Isofil is a mid-weight sock for trail running, hiking and backpacking. The Bridgedale Weekender sock is for the adventure traveler or everyday wear.