Since opening in 1991, Sof Sole has become an industry leader in athletic footwear accessories, trusted around the world. Offering solutions for everything from everyday needs to high-impact performance activities, Sof Sole gives you the cushion and support you need throughout your work day. Featuring technologically advanced designs and materials, Sof Sole insoles optimize the performance of any shoe. They minimize felt impact when walking, running or standing for extended periods, and also extend the life of your shoes. WorkBoots.com offers a selection of Sof Sole Athlete and Airr insoles to improve your footwear experience. The Airr insole uses an encapsulated air chamber in the heel for shock absorption, while the Athlete insole uses gel drops in the heel and forefoot for cushioning without the bulk.