Compressport Race Number Belt trail the seamless Armforce Ultralight sleeves

the seamless Armforce Ultralight sleeves are extremely comfortable and lightweight

The integrated battery is charged by magnetic contact

Then on the inner tight you also get hidden pockets to keep your phone and valuables secure

It is fitted to the upper arm

Compressport Race Number Belt trail the seamless Armforce Ultralight sleevesAdjustable white bib number belt with integrated gel loops for any running, trail or triathlon event. Easily adjustable, it sits snugly around your hips or waist for chafe free racing. Four elastic gel holders on each side allow for fuss free refueling on the run. Particularly useful in triathlon where bibs are worn on the back while cycling and on the front during the run, the belt can be quickly spun around to keep referees happy. Pro triathlon tip: