The port to IPhone 4 and 4S race is a comfortable and practical bracelet designed by the well-known mark Nathan to allow you to always have with you, even during the race, your smart phone.
In this way, it will not be a problem to use a stopwatch or app to My Coach and to keep monitored your workouts.

Soft and ergonomic design of this bracelet in polyurethane and features mesh inserts, an innovative fabric away sweat from the body while the regular perspiration.

the simple and linear design eliminates friction, allowing you the movements fluid and natural, with no binding or force your arm.

This bracelet race also respond to your security needs thanks to the parties catalifrangenti that will make you visible from up to 1200 meters, even in low-light conditions.