Coat
The Cairn Terrier is double coated with a coarse outer coat and soft, short furry undercoat. Their coat has a shaggy appearance that does not require trimming and is weather resistant. They shed little to no hair.

Overview
This breed is the smallest of the Terriers. They were originally bred in the Scottish Highlands for their working ability, not their appearance. The Cairn Terrier is built sturdy and strong, but not built heavily.

Character
The Cairn Terrier is intelligent, tenacious, and courageous. They are lively and bossy, very clever and independent. The Cairn Terrier is quick to give chase and quick to bark at every new sight and sound. This breed is intense and active.

Temperament
This breed is spirited and restless, always seeking an adventure. They are friendly and affectionate, bold and fearless. The Cairn Terrier loves to play and adores stimulation. They are loyal and alert and have a mischievous nature. The Cairn Terrier has a special affinity for children over the age of six.
Source: www.nextdaypets.com