DetailsOdlo Size Chart Run, sprint and train harder in Odlo’s new Element Light BL 3/4 bottoms for men. As a market leader in sportswear development, Odlo knows that the right layers are key to performance. The Element Light running bottoms offer lightweight and flexible coverage for perfect freedom of movement in the heat of summer and during hard training sessions. A zippered key pocket feature provides safe storage for your most important items. Feel light on your feet this summer in the Element Light BL bottoms from Odlo.