kr590 River Island Zig Zag Muscle Polo Shirt 839-496 Colour Black Green Size S M L XL XXL Size Choose Size S M L XL XXL Size Guide Add To Bag Notify Me Description Muscle fit. Zig zag knit. Collared. Long sleeves. Half zip fastening. Machine washable. 70% Viscose, 30% Nylon. Read More Read Less Price History Price History Date Price