For trekking or outdoor adventures, the Men's Fjallraven Singi Overshirt is a great choice for making these experiences more comfortable and enjoyable. Made from their G-1000 Silent Eco fabric, the shirt is resistant to both wind and rains and at the same time will leave you looking and feeling great thanks to its smart look. Complete with four pockets, button fastening and signature Fjallraven branding, this can be worn as a light jacket or as a more robust mid-layer over a t-shirt.