Here's what other sites are saying:
The versatile Pearl Izumi Barrier convertible bike jacket is a great choice for chilly morning rides that often turn into warm afternoons. Lightweight ELITE Barrier fabric is wind- and water-resistant as well as extremely breathable. 1-piece integrated sleeves remove to convert jacket into a vest; stow sleeves in spacious rear zip pocket. Full-length zipper helps you regulate body temperature; includes a protective draft flap to keep wind out and warmth in. Semifitted design enhances performance and prevents fabric from flapping in slipstream. 2 handwarmer pockets and 1 chest pocket allow you to keep cycling essentials close at hand. Reflective accents increase visibility during early morning and evening commutes.
- REI refers to the men's version