. Tread & Butter - Day One - Cascadia Men's High Arch Cork Insole. Color Amazon Blue/Natural Cork. On sale for $23.45. MSRP $35.00.. 3.6 out of 5 starsOnly on ZapposAdd to favorites. 0 people have favorited thisBrand NameTread & ButterProduct NameDay One - Cascadia Men's High Arch Cork InsoleColorAmazon Blue/Natural CorkPrice$23.45MSRP: $35.00Rating4Rated 4 stars out of 5(16)