Nikwax Base Wash is a specialty wash-in cleaner designed to refresh, deodorize, and improve the performance of technical base layers and activewear. This PFAS-free, water-based formula effectively removes odors while enhancing moisture-wicking, breathability, and drying performance to help keep you comfortable during high-output activities. Ideal for synthetic next-to-skin garments, socks, and performance apparel such as Under Armour® and Dri-FIT®, Base Wash helps maintain the effectiveness and lifespan of your technical clothing without using harsh chemicals, optical brighteners, or added scents. Features Specialty cleaner for technical base layers and activewear Eliminates odors and refreshes performance fabrics Enhances moisture-wicking and breathability Accelerates drying performance for improved comfort Safe for synthetic next-to-skin garments and socks PFAS-free, water-based, and environmentally friendly No added scent, optical brighteners, or harmful residues Easy wash-in application and machine wash safe Size: 10 oz / 10 Fluid OuncesScent: UnscentedFormula: PFAS-Free, Water-Based CleanerRecommended For: Synthetic base layers, workout clothing, socks, and activewear