Topo Athletic - Ultrafly 4. Color Navy/Black. Low Stock. On sale for $101.04. MSRP $135.00.. 4.1 out of 5 stars1 left in stockBrand NameTopo AthleticProduct NameUltrafly 4GenderMen'sColorNavy/BlackPrice$101.04MSRP: $135.00Rating4Rated 4 stars out of 5(66)