It has been on the market for over 100 years, being featured in as early as the 1898 catalogue. HANDMADE IN ENGLAND- Manufactured using 100 year old traditional techniques and the finest vegetable tanned leather. FLAGSHIP MODEL-The B17 has been on the market for over 100 years, featured in the Brooks catalog as early as 1898. COPPER RAILS-The B17 Special features copper plated steel metalwork and matching hand hammered copper rivets. LONG DISTANCE MODEL- Preferred for long distance sports touring, trekking and mountain bike use. NATURAL VENTILATION- The pores of the vegetable tanned leather give the B17 natural ventilation, keeping you cool throughout your ride.