In collaboration with Barbour, SOREL yet again proves its unrivalled skillsmanship with the Callsign Horizon Low GTX style. Blurring the lines between a lightweight, versatile sneaker and the rugged reliability of a hiking boot, this pair's waterproof construction features the label's shock-absorbing XS TREK EVO Vibram soles to see you through any adventure – whether it's conquering the highest peaks or the city streets.