The book explores the widespread applications of natural fibre-reinforced vinyl ester composites ranging from the aerospace sector, automotive parts, construction and building materials, sports equipment, to household appliances. Investigating the moisture absorption and ageing on the physio-chemical, mechanical, and thermal properties of the vinyl ester-based composites, this book also considers the influence of hybridization, fibre architecture, and fiber-ply orientation. The book serves as a useful reference for researchers, graduate students, and engineers in the field of polymer composites.