Flylow - Sinclair Insulated Flannel. Color River/Night. Low Stock. On sale for $53.63. MSRP $145.00.. 1.5 out of 5 stars2 left in stockBrand NameFlylowProduct NameSinclair Insulated FlannelGenderMen'sColorRiver/NightPrice$53.63MSRP: $145.00