The polar strap set for t31 t61 is an elastic chest strap for those who need a different size to the medium strap that is included in the t31 packages or just require a replacement. It is designed for both men and women to ensure optimal comfort and performance.. Available in three sizes
S, m and l.
The polar strap set for t31 t61 is an elastic chest strap for those who need a different size to the medium strap that is
