Mach G Operation Blackout Polarized Size:One Size The ISC-12 Bluetooth Smart Speed/Cadence

The ISC-12 Bluetooth Smart Speed/Cadence Sensor provides the highest level of speed accuracy and the ability to record cadence

Width: 25 in

or detaches completely

The multi-function valve enables simple inflation

There is also extra Thermolite® insulation to provide tested three-season warmth for women backpackers

Mach G Operation Blackout Polarized Size:One Size The ISC-12 Bluetooth Smart Speed/CadenceMach G's are a classic aviator style made to give you the speed if you feel the need. Plus, this smooth, sleek frame means no unsightly imprints on your nose from those weird nose pads on traditional metal aviator frames. Non Reflective Polarized Lenses For Regular or Wider Heads Best Suited for Running, Beasting & Biking No slip special grip coating and silicone nose inserts eliminate slippage when sweating No bounce flight weight to prevent bouncing