This is a soft silicone strap for the Suunto Ambit3 Sport, Ambit3 Run, Ambit2 S and Ambit2 R watches. You can change the strap yourself using a size 6 IP Torx Plus screwdriver.

The silicone strap feels comfortable on your wrist and fits wrist sizes 13 to 23 cm (5 to 9 in) in circumference.