Many companies even have their own version of Gore-tex. It even insulates when it is wet. Many manufacturers make fleece clothing. Common brands include Lifa, Capilene, Dri-Clime, MEC, or simply long underwear that is polypro based. Swimsuits are usually constructed of quick dry nylon.
Several manufacturers make excellent products.
Teva makes a great sandal. Approach shoes are perfect camp wear, they have lug soles like hiking boots but are comfortable like a running shoe.