IsoTunes Wireless Link 2.0 Safety Earmuffs with Bluetooth Primary Material_Aluminum Alloy The 523 Breathable Jacket is

The 523 Breathable Jacket is 30" long and has an elastic waist

longer design for improved resistance to impact and splash hazards

tie-back and non-tie-back configurations

Contoured padding adjusts to shape of your shoulder to minimize fatigue

Detent Pins

IsoTunes Wireless Link 2.0 Safety Earmuffs with Bluetooth Primary Material_Aluminum Alloy The 523 Breathable Jacket isUnleash the Full Potential of Earmuffs with LINK 2. 0 the Ultimate Bluetooth Upgrade! Experience unrivaled comfort with a padded headband cushion, enjoy extended listening with up to 50 hours of battery life, and communicate effortlessly with a *boom microphone for crystal clear calls. Discover the new and improved version of our best selling earmuff, designed to revolutionize your daily routine. *Boom Microphone sold separately. Link 2. 0 Safety