Amazon.com | KEEN Men。The Keen Men\'s Clearwater CNX Sandals are versatile hiking and water sport shoes designed for active men in size 8 US (40.5 EU). These slip-on sandals feature a solid gray and orange color scheme with a durable polyester upper and a comfortable cushioned outsole. With arch support, waterproof construction, and slip-resistant rubber outsoles, these sandals are perfect for outdoor activities in summer, fall, and spring. The adjustable closure and cap toe design make them a practical choice for men looking for high-performance footwear that provides comfort and support for all-day wear.