Gorewear C5 Thermo Jersey - Black/Terra Grey Mens SmallGORE C5 Thermo Jersey Black Terra Grey Mens Small. The GORE C5 Thermo Jersey is an aero fit jersey for cold weather. It features thermal fabric in the torso to protect and insulate your core and lighter fabric in the sleeves and side panels. Three rear pockets securely hold your ride essentials. A functional cold weather jersey with clean sophisticated look for dedicated roadies. Black reflective transfers Ergonomically shaped collar Front zip with