I'Z FRONTIER Top and Bottom Set Work Clothes - 2025 Fall/Winter Model 5340J Heavy Jersey Work Jacket Size L 5343J Heavy Jersey Jogger Pants Size M Color: 37. Another Black Material: Double Face Stretch Jersey (60% Cotton, 35% Polyester, 5% Polyurethane) Product Features: - A renewed model of jersey material workwear, the demand for which has been steadily increasing in recent years. - Uses a double-knit jersey material with a density close to woven fabrics and a soft touch. A sporty casual model that expresses the 'now' more effectively. - Packed with elements that stimulate all generations, such as belt patches and various printings. Ultra-unique workwear that can be worn both on and off the job. - While maintaining the high comfort of knit materials, it adds high multidirectional stretch and kickback properties. It achieves a unique comfort different from woven materials. Elongation rate: Approximately 23% vertically, approximately 24% horizontally. Elongation recovery rate (after 1 hour): Approximately 92% vertically, approximately 94% horizontally. - In addition to the fabric performance, it incorporates a 3D pattern to further improve ease of movement. - Boasts a fabric strength that is robust among knit materials, with a pilling resistance of level 4, snag resistance of level 4, and a bursting strength of 1000kPa (the bursting strength value that is not a problem as bottoms is 400kPa). - Uses domestic YKK zippers, dot buttons, etc. Pays attention to quality down to the smallest details.