Trekking shoelaces available in various lengths and colors. Our shoelaces have a strong core which makes them strong and resistant to breakage. They are manufactured from strong polyester fibers with a very dense weave, which makes them strong and will not untie. They are ideal for trekking boots, trappers, winter boots or sports shoes. Most important features:- Do not unravel,- Resistant to abrasion,- Resistant to ripping,- Have a core- Dense weave,- Diameter about 4 or 5 mm,- Large selection of lengths and colors.