0 takes the classic silhouette to the next level with less weight

Weight: 276g

Made from 70% lambswool and 30% nylon

which works by wicking moisture away from your feet

Weight: 248g

Women's On Performance Flex Bra Cap 0 takes the classic silhouetteThe On Performance Flex Bra is designed for running and high intensity sports. This medium support bra has adjustable straps for ease. No fastening. No underwires. Just top level support. Made from sweat wicking fabric and with a full mesh racerback panel for ventilation allowing your body to stay cool and breathe. Size Guide XS (79 83cm bust, 68. 5 71. 5cm underbust, 30A C 32A B cup size) XS D DD (84 88cm bust, 68. 5 71. 5cm underbust, 30D DD cup