- Our Trek Buff Sole is a unique offering with a stylish lug pattern that works best on everyday joggers, lifestyle footwear such as a New Balance Classic, or approach shoes. Intensely subtle lug pattern, relatively lightweight. Features our XS Trek compound. Do keep in mind that this is a NET FIT sole, and will only work with a certain pre-existing shoe construction. Our soling application partners will be in touch if there are any issues with the soling of this product. *Also available in black.