Our everyday uniform off-trail is a poplin -so we designed one that could handle the elements. Meet the Dirtpop Trek Jacket: a technical take on a classic, made to move, adapt, and get a little dirty. With convertible snap-off sleeves, it 's the only jacket you need in your pack -ready for any shift in terrain or temperature. Seniq Dirtpop Trek Jacket Womens | Black | X-Small | Christy Sports