UnderWorld F3 MAX brand new version design, continuation of the classic UnderWorld F3 series products, appearance. Version. Fully improved performance, high-pound functional nylon fabric, simple and neat tailoring, inner mesh elastic fabric, trouser opening zipper With the adjustable webbing, the crotch is specially tailored to make it more stretchable, the hip is intimately designed to hide the zipper pocket, and the trouser tube adjustment part uses a seamless zipper, which is windproof, breathable, water repellent, elastic and appearance! Practice or normal use They are very practical and w