Arena is always with you, whatever the training you choose: in sprints and short distances you can count on the Powerskin Carbon Pro, the revolutionary new product that improves muscle compression to exalt your performance as a triathlete, thanks to the bonded seams and panel shape.  For long distances and training, put yourself in the hands of Powerskin ST, with a high percentage of Xtra Life Lycra. The X-Raptor is a powerful, highly-resistant fabric that gives excellent muscle compression.