Grey Flannel Long Sleeve Shirts by River Island Add to WardrobeRemove from Wardrobe FavoriteUnfavorite Shop It Outfits Sort by featured Sort by price: high to lowSort by price: low to high River Island Ecru Regular Fit Check Flannel Shirt $20 $50 River Island Grey Check Flannel Button Up Shirt $60 River Island Grey Brushed Flannel Two Pocket Shirt $24 River Island Grey Flannel Long Sleeve Slim Shirt $30 River Island Grey Flannel Long Sleeve Slim Shirt $56 River Island Grey Flannel Casual Shirt $30 River Island Grey Smart Flannel Long Sleeve Shirt $40 River Island Light Grey Flannel Slim Shirt $56 River Island Grey Smart Check Flannel Slim Fit Shirt $14 $50 River Island Grey Check Slim Fit Grandad Shirt $14 $50