Fishers FineryFishers Finery Women's EcoFabric Terry Bathrobe; Kimono Style; Front Pockets

What size would you recommend for someone who is 5'11 tall? And will this pass as unisex?

Is this warm enough to go from locker room to pool in winter?

Does it have a hook loop

I spilled coffee on thus .. a small spot.. And now I have a large yellow spot from trying to spot clean it with hydrogen peroxide. Any ideas?