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4 Series

  - Ping
The bag top was made stiffer, with an integrated handle, plus a reinforced bracket with a leg stop to keep the legs from splaying. At around 4 pounds, the 4 Series is well-accessorized with six pockets, including a velour-lined valuables pocket. New dual sliding, adjustable straps make the bag easy to take on and off, and to carry it backpack style. A new leg retention strap keeps the legs tight to the bag to prevent leg droop while walking.