Merrell Women's Barefoot Bare Access Arc 100% unknown Barefoot strobel construction - offers flexibility and comfort. Synthetic leather and mesh upper - for a supportive, breathable fit when out training. Durable water repellent treatment - for added protection against the weather, repels water and resists staining. Reflective Details - For keeping you safe in low light conditions. Lycra neoprene lining - for padded comfort around your foot and it's treated with Aegis antimicrobial solution.