. Columbia - 4" Slack Water™ Knit Romper. Color Carbon. On sale for $50.10. MSRP $60.00.. 4.8 out of 5 starsNewBrand NameColumbiaProduct Name4" Slack Water™ Knit RomperColorCarbonPrice$50.10MSRP: $60.00Rating5Rated 5 stars out of 5(9)