Utilization of Six Sigma Analysis to Evaluate Upcycled Denim towards Sustainability.

Six wastes denim fabrics redesign using different decoration technique creating a new trendy wearable accessory, eco fashion, focusing on sustainability and upcycling from point of view and customer satisfaction and problem solving from other point of view. Physico-Mechanical properties of new and waste denim fabrics were evaluated to determine the shelf life of the redesigned products. Function and aesthetic aspect, also elements, principles and upcycling properties of the products were examined. The six new redesigned products were evaluated via questionnaire sheet according to the opinion of specialists in textile and clothing field, also the data obtained was statistically analyzed using six sigma evaluating tool via Q1Macro 2024 software Programme. The products were evaluated and product No. (4) which represents a multipurpose shoulder bag for girls and women is considered the best ranked product as it is the first rank with sigma level (5.74) which it meets customer satisfaction and acceptability.