The Swiss Army knife of TUO's product line, the Aptitude Softshell jacket features an AeroGuard(TM) Windproof breathable membrane and DWR treatment for protection against wind and rain. Crafted with a durable & quiet poly/spandex shell and fleece grid lining, the Aptitude delivers 4-way stretch for mobility, fit, and function in the field. Built-in lycra stretch cuffs with optional thumbholes allow for a secure fit that moves when you do.