Formfitting hourglass design and exclusive moisture-wicking HydraCinn fabric which is latex-free and neoprene free. Permanently bonded antimicrobial barrier provides protection against odor causing bacteria, fungus, and other microorganisms. Anti-slip inner grip strips help prevent brace migration. Universal get buttress surrounds and stablizes kneecap to help improve patellar tracking. Flexible steel springs support both sides of knee, yet allow leg flexion and extension. Free nylon mesh laundry bag shields clothing from hook and loop straps in gym bag or washing machine.