. Nautilus Safety Footwear - Spark CT. Color Teal. On sale for $69.99. MSRP $99.99.. 3.6 out of 5 starsOnly on Zappos+15Brand NameNautilus Safety FootwearProduct NameSpark CTGenderWomen'sColorTealPrice$69.99MSRP: $99.99Rating4Rated 4 stars out of 5(1236)