Very cool boot. Looks good, is easy to run in. Not a boot for office POGS

Air 9" Side Zip M.T.O. (Metro Traction O)  what the hell is O?

Specs:

• Leather and Nylon Upper
  durable and breathable, uniform code, polishable
• Air Cushion/Injection Molded EVA Midsole
  comfort, athletic cushioning, total foot support
• Slip Resistant, Oil Resistant Logo Outsole
  safety and performance
• YKK Zipper with Velcro Closure
  easy on and off
• Arch Ladder Tread
  special design for extra grip on the rope rappel
• Synthetic Moisture Wicking Lining
  comfort, wicks moisture away from feet
• Hot Melt Heel Counter
  retains shoe's shape, holds foot in place
• Airport Friendly Non Metallic Shank
  torsional support
• Removable Molded Orthotic Footbed
  allows for custom fit
• Rust Proof Speed Lacing System and Reinforced Eyelets
  durability, convenience
• Round Non-Fray Laces
  durability and strength
• Rubber Toe Bumper
  protectio, durability

*42 oz/pr (size 9 Men's)
*1232 - Regular Width (D) 5-11.5, 12, 13, 14, 15