Gym Wear import companies and gym wear import trade opportunities Sporting Equipments - Materials

I have an activewear company that is looking for a good suplier for a long tearm cooperation.

I am looking for suppliers for sports leggings, winter leggings (lined with fleece), slippers, pajamas. For once, we don't have our own design, we would need your design in at least four numbers - s, m, l, xl