Padded Adjustable Back Straps Two Large Internal Mesh Shoe Pockets - Running and Cycling Removable Waterproof Bag for Wet Items (with clip for wetsuit) Dual Zip Fully Openable Main Compartment Large Outside Mesh Pocket External Helmet Pocket with Safety Clip and Bungee Straps Two External Mesh Water Bottle Pockets 5" Expandable Mesh Bottom Compartment for Wetsuit or Towel 2 Padded Side Pockets for CD Player w/Slit for headphone wire Reflective Binding on padded straps, side pockets and front face of bag