Specialized Air Tool Big Bore Pump Color:Black You'll unlock new details with

You'll unlock new details with up to 3X more detail than standard Down Imaging sonar

Provides maximum breathability and ventilation on the top of foot

Attached three-piece adjustable hood

but is porous enough to allow internal moisture to escape to the outside of the material Inner Layer: The inner third layer

Alkaline based and free from CFCs

Specialized Air Tool Big Bore Pump Color:Black You'll unlock new details withDesigned for Fat and Semi Fat tire bikes, the Air Tool Big Bore Pump packs massive volume per stroke, and it features a head that still works with winter gloves on to make it perfect for backcountry winter fat biking. Oversized press on Schrader and Presta head won't accidentally remove valve cores and can be easily used with thick gloves. Flexible hose attachment allows for aggressive pumping without fear of damaging valve stems. Inverted barrel