Quick-drying fibers that wick moisture away from your skin
Adjustable fastener at the back for a customized fit
The NuMetrex® chest strap is a soft material band with sensors knit right in. The strap is made from a comfortable stretch fabric that moves with you as you breathe. No hard plastic means no chafing or slipping. It is made with quick-drying fibers that wick moisture away from your skin and has an adjustable fastener at the back.