Hittime New Adjustable Black Elastic Chest Mount Harness for Gopro Hd Hero 1 2 3 Camera Brand new and high quality. Widely used on surfing, skiing, skateboarding, riding bicycle/ motorcycle. Elastic adjustable strap design, one size fits all. Compatible with: Gopro Hero1 / Hero2 / Hero3. Note: Not Recommended for high-impact sports. Only recommended for non-impact activities.