ATHLETE INSPIRED, Inc. 70.3 Half Iron Triathlon Stretch Adjustable Tie Bracelet Tie adjustable stretch unisex bracelet for the triathlete. Half Iron Distance Unisex Design - 70.3 miles Triathlon Waterproof Stainless steel metal for plate, rings and beads. 2mm black stretch cord for preferred size. This distinctive band gets you to the finish line in style and is a keepsake for a lifetime of achievement