Sena SPH10 Bluetooth Headset Plytix Troy Lee Designs is a

Troy Lee Designs is a renowned brand in the motocross industry

part # 302020-BC105 or 0641-0109 must be used

Large (Men's 9-13 Shoe / Women's 10 -14 Shoe)

not the other way around

Sena SPH10 Bluetooth Headset Plytix Troy Lee Designs is aEASY TO USE WITH SUPERIOR AUDIO QUALITY Extremely versatile with a long range, the SPH10 Bluetooth 3. 0 stereo headset brings your favorite tunes, GPS navigation, four way intercom conversations featuring a 900 meter (980 yards) range, and hands free calling to a wide range of outdoor sports and motorsports activities. This wireless outdoor intercom, for both incoming and outgoing audio, will take any of your extreme adventures to the next level.