The present invention relates generally to a thin, low thickness snap for use, for example, in a heart rate monitor belt. The snap can be integrated or built directly in to a heart rate monitor belt. Furthermore, the heart rate monitor belt can be integrated within a textile or garment, for example a compression shirt, sports bra or cycling shorts. The snap can be flushly integrated into the belt or garment such the snap does not take away from the general wearability of the heart rate monitor belt or garment.