T-Shirt: similar here, here, here, here, here, here, here and here
Trousers: Zara (similar here, here, here, here and here)
Sandals: Alexandre Birman (here or beige version here, similar here, here and here)
Handbag: Hermès Kelly Bag in size 32 color “trench” (find a similar one here, here, here and here)