Amazon.com | KEEN Clearwater CNX Black/Gargoyle 10.5 D (M 。Keen Clearwater CNX waterproof sandals in a versatile black and grey colorway. These performance outdoor sandals feature a low-profile design with a secure fit lace capture system and a contoured arch for added underfoot support. The multi-directional lug pattern with razor siping provides excellent traction on wet surfaces, while the TPU stability shank ensures a steady stride. Ideal for hiking, water activities, or casual summer wear, these durable sandals combine the protection of a shoe with the breathability of a sandal.