Columbia Men's Wallawalla 2 Hiking Shoes are rugged yet ultra-lightweight. Constructed with a sturdy upper, the WallaWalla2 features breathable and quick-drying mesh inlays, generous padding at the collar and tongue, and rubber reinforcement at the toe that protects against impact and abrasion. The grippy outsole gets you over slippery or slick surfaces and is great on rocky, uneven terrain. Synthetic and mesh upper. Rubber sole.