Black Diamond Couloir 3S Harness Climbing harness (S, grey) - The Couloir 3S Harness from Black Diamond is a lightweight harness for ski and alpine touring. It is characterised above all by its simple design and easy operation.Putting on and taking off the leg loops shouldn’t be a problem, even with ski boots, as the loops are large and equipped with easy-to-use quick-release buckles. Plus, they are made from polyester, making them high-strength and hard-wearing. Your equipment can be added with ease onto the two gear loops provided. In addition, there are Ice Clipper slots, to which ice screws can be attached.Colour coding of the waist and leg loops increases safety and makes fitting the harness an intuitive experience.