Women's Sleeveless Cycling Jersey | The Racerback The Pure Velo Racerback jersey is a perfect choice to keep you cool on those hot summer rides. Suitable for road, gravel and mountain bike cycling the Racerback has been designed for those that find themselves riding with their jersey sleeves rolled up on hot sunny days avoiding the inevitable summer cycling arm tan lines. Made from a soft and breathable fabric this jersey will keep you cool on the bike whilst offering UV protection. For added comfort and convenience the Racerback jersey has an ultra-soft built in bra giving you extra support and coverage - taking away the need to find a sports bra that fits suitably underneath this jersey.