Fit Flop Trakk II new mens classic toe-post sandals in pebble An unbelievably comfortable ergonomically engineered thong, Trakk II will quickly move into first as your fast footwear favourite. It has a durable, flexible, microfibre-lined upper, & Fit Flop's triple-density midsoles* built-in. WARNING: Once you've put on a pair, your other shoes may become obsolete.*on Fit Flop's classic MICROWOBBLEBOARD (TM) midsole, designed for a generous, free-foot fit