Knitwear with the same face and underside, the space between which is filled with monofilament, thanks to which elasticity, lightness, heat capacity, wear resistance, hypoallergenic, water resistance are achieved. Durable and wear-resistant material that holds its shape perfectly and does not crumple. At the same time it is quite light and weightless although its visual thickness suggests the opposite. Due to its properties neoprene is used for the manufacture of all kinds of products: casual and sports clothing, protective face masks, suitcase covers, diving suits and suits for water sports.