Columbia - Backcast III™ Water Trunk. Color Cool Grey. On sale for $26.25. MSRP $35.00.. 4.8 out of 5 stars+12Brand NameColumbiaProduct NameBackcast III™ Water TrunkGenderMen'sColorCool GreyPrice$26.25MSRP: $35.00Rating5Rated 5 stars out of 5(754)