Our supersoft Enduro fabric is supportive, temperature controlling and moisture absorbing so this crop top is incredibly comfortable to wear. And with a bra fastening and adjustable underband it gives you an excellent fit as well. The racer back not only flatters your shoulders it gives you plenty freedom of movement – and it looks good whether you wear it on its own or under a vest. This crop top offers light to medium support. For high impact activity, we recommend additional support.. . Supersoft Enduro fabric. Bra fastening and adjustable under band. Racer back design. Light to medium support