- Size: One size - Round elastic laces, 3.5 mm wide and 120 cm long, black color - No-tie system thanks to adjustable metal buckle, prevents them from coming undone - Made with double layer of spandex, offering high elasticity and durability - Stretch up to 180 cm or more, perfectly adapting to the foot without tightening - Easy and quick installation, with instructions included - Allow you to put on and take off shoes effortlessly, ideal for those seeking comfort - Compatible with military boots, hiking shoes, sports and work sneakers - Perfect for sports activities and daily use: running, fitness, triathlon, yoga, or hiking