Protective details are construction elements of clothing whose chief task is not decoration but safeguarding the garment and the body: reinforcements, patches and inserts at points of greatest wear or risk. These are, for example, elbow and knee patches on workwear and sportswear, reinforced inserts on the shoulders and seat, yokes and extra layers of fabric at friction points, wind and water flaps. Historically protective elements came from work, military and sports dress, where durability matters more than aesthetics, and later became a style device too (utilitarian, 'functional' fashion). Such details prolong a garment's life and make it fit for real use. It is the case where clothing engineering matters more than ornament.