Here's what other sites are saying:
The lightweight Rab Men's VR Lite Vest eagerly accompanies you during jogs, climbing sessions, and long-distance hikesanytime where core protection is needed, but breathability is paramount. The Pertex Equilibrium body and Matrix SWS side panels of this versatile softshell vest work to block the breeze, enhancing overall comfort in brisk and chilly weather. Treated with a DWR to resist outside moisture, and the microfleece liner wicks sweat away from your body. The Lycra-bound trim (collar, hem, armholes) secures this vest around you and remains flexible for ample movement.