Clothing Manufacturer for Premium Athleisure Brand - Mauritius/ Madagascar

My company is looking to find a clothing manufacturer to help us create a premium athleisure brand, specifically t-shirts, tank tops, shorts, hoodies, and joggers. Ideally this manufacturer would be in either Mauritius or Madagascar region since our brand is located in South Africa. We have specific designs in mind for each garment which the manufacturer must adhere to and must also be able to meet a production timeline of 1-3 months. We are looking for a reliable and experienced clothing manufacturer who can produce quality products within the given timeline and budget. Ideally they should have experience or knowledge of the athleisure market and be able to offer any advice on industry trends when needed.