(TrendHunter.com) The SOREL Callsign Horizon Low GTX sneaker reimagines the rugged Caribou boot with a design suited for today’s urban and outdoor lifestyles. Inspired by the original Caribou, worn on Arctic…(TrendHunter.com) The SOREL Callsign Horizon Low GTX sneaker reimagines the rugged Caribou boot with a design suited for today’s urban and outdoor lifestyles. Inspired by the original Caribou, worn on Arctic…