Helium. Converse made a major push in the early 2000's for Helium cushioned shoes but you have to wonder if it was the final blow to lead them on their... | By
Tri Gear Sneak Peek: Mavic Tri Helium Shoes – Triathlete
TCX X-Helium Michelin Boots - RevZilla
Tri Gear Sneak Peek: Mavic Tri Helium Shoes – Triathlete