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Boa's patented closure system of steel Lace, nylon guides and a mechanical reel was designed to address the long list of deficiencies found in traditional closures. In the process, Boa® improved upon the performance of every other closure system on the market—from laces to buckles, and ratchets to hook and loop systems.
The result? Get a perfect fit with the simple turn of a knob. Enjoy a significantly improved level of comfort along with durability, light weight, fast and convenient operation, and on-the-fly adjustment.