The Columbia Drainmaker™ XTR is the perfect choice for water activities, offering a lightweight, quick-drying design and excellent grip on a variety of surfaces. Here are the details on their construction and features:Upper:Materials: A combination of synthetic materials, mesh and webbing creates a durable yet breathable upper that is ideal for water activities.Water Drainage: The upper is designed to effectively drain water, providing comfort when transitioning from water to land and back.Midsole:Omni-GRIP™ LT: An innovative midsole that delivers incredible comfort during outdoor activities. Provides cushioning and stability, while draining water thanks to multiple drainage holes.Outsole:Omni-GRIP™ LT with micro-pressures: The outsole is enriched with additional rubber with micro-pressures, providing excellent traction even on wet and slippery surfaces. This guarantees confident step during water activities.Additional features:Weight: The weight of one shoe in size 42 is only 271 g, which makes them extremely light and comfortable to wear.Columbia Drainmaker™ XTR shoes are an excellent choice for people practicing water sports such as fishing, sailing or kayaking, where the speed of drying shoes, comfort and solid grip on various surfaces are important. Thanks to innovative Columbia technologies, these shoes provide not only high performance, but also durability and functionality at the highest level.