Suunto Dual Comfort Belt Suunto's Comfort Belt textile strap is now available with dual technologies: ANT (65,500+ frequencies, providing interference-free digital radio transmission) and Coded (29 codes, open transmission that allows talk with cardio gym equipment) Made from comfortable textile materials Stays snug to the body with unique traction strips Easy to use: closing mechanism conveniently placed in front, symmetrical length adjustment Extremely thin length-adjustment buckles minimize the risk of friction and abrasions