The Nike Fastback women's bathing costume in red is a performance-focused one-piece swimsuit designed for athletic swimming and water activities. This adult-sized swimwear (size 38) features a streamlined silhouette with secure back coverage, constructed from durable chlorine-resistant fabric that maintains its shape and color through repeated use. The Fastback model incorporates ergonomic design elements including flatlock seams to minimize chafing and a flexible material composition that provides optimal freedom of movement while swimming. The vibrant red colorway offers high visibility in aquatic environments. This bathing costume is engineered for serious swimmers seeking reliable performance swimwear with lasting quality. The fabric composition includes a blend of polyester and elastane for enhanced durability and shape retention, with quick-drying properties that make it practical for training sessions. The design includes a secure fit through strategic panel construction and reinforced stitching at stress points. Suitable for lap swimming, water aerobics, and other aquatic fitness activities, this swimsuit balances functional performance with comfortable wearability. The size 38 corresponds to standard European sizing for women's swimwear. Care instructions recommend rinsing in fresh water after each use and avoiding harsh chemicals to preserve fabric integrity. This model represents the successor to previous Nike performance swimwear lines, incorporating updated design elements based on athlete feedback. The construction focuses on practical benefits including reduced drag in water, reliable coverage during active movement, and long-lasting material performance that withstands regular pool use. The bathing costume is designed specifically for adult women engaged in regular aquatic exercise or competitive swimming.