Fusalp doesn't do its outerwear by halves – you're guaranteed protection at all times when wearing one of its technically adept pieces. Take the Swing baseball cap: the unisex design is made from fabric that boasts a 10,000 mark on the waterproof index, meaning it has water-resistant properties that will keep you dry in light summer showers. Polyamide/Polyurethane/Elastane/Cotton.