New with tags, never worn. Mens Passo Giau Jacket size small. Fast shipping from Colorado. The Castelli Passo Giau Jacket uses Body Mapping Technology for the perfect balance of flexibility and insulation. There is Windstopper X-Fast fabric on the upper chest and shoulders. While Windstopper X-Mid fabric covers the sleeves and lower chest. The back has a built in ventilation system to prevent excessive overheating. There is a full length YKK Camlock zipper for when you need more ventilation! The Jacquard waist elastic will prevent ride up. There are 3 external pockets and an anatomic collar for extra comfort. There are also reflective tabs to make sure that you can be seen after the sun sets.