Lace-up cycling shoes have a slicker top-side aerodynamic profile than any comparable Velcro-strap or Boa-dial shoe. ... Laces don't have the tight tolerances and mechanical complexity of a Boa system, which can clog or break when small contaminants have entered the dial, or when extreme winding pressure is applied.
How long do Boa dials last?
The BOA Fit System dials and laces are guaranteed for the lifetime of the product on which they are integrated. So yes, we can help.
Do BOA systems break?
The biggest problem with Boa is that there's no bailout/quick fix if the system breaks when you're on the river. You can't splice the wire. Most anglers don't carry a repair kit.