There's no need to keep quiet about the comfort and fit of Keen Whisper sandals that feature supportive polyester webbing and antimicrobial protection. Polyester webbing uppers are designed for a comfortable, secure fit and dry quickly; nylon mesh linings enhance comfort and moisture control. AEGIS Microbe Shield?äó resists odor-causing bacterial growth. Elastic 1-pull lacing and cordlocks secure feet into footbeds for comfort and protection; pull loops aid entry. Patented rubber Toe Guards protect feet from scuffs, bumps and uneven terrain. EVA midsoles absorb shock, cushion feet and provide gentle support. Nonmarking carbon rubber outsoles offer exceptional durability and superb traction.