This product is either discontinued or we cannot get that from suppliers.
Garmin 010-12639-01 Hook And Loop Wrist Strap, Black, Secures navigator to wrist.
Secure your compatible navigation device (such as the Foretrex® 601 & Foretrex 701® Ballistic Edition) to your wrist using a strap with a hook and loop fastener and use both hands during your outdoor activities.