Single Strap One Piece- Zebra Crossing (ECO)Single strap one piece with strappy V shaped back. Excellent durability and freedom of movement with single bind finish and an open back that will flatter your sporty shape. With full front lining, this is the perfect style for those long hours of training in the pool. ECO C INFINITY is the same superior quality polyester construction that youve come to trust from our C Infinity fabric, but manufactured from end of life plastic water bottles.