. Wolverine - FR (Flame Resistant) Long Sleeve Tee. Color Onyx Heather. $80.00. 4.4 out of 5 starsOnly on Zappos+3Brand NameWolverineProduct NameFR (Flame Resistant) Long Sleeve TeeGenderMen'sColorOnyx HeatherPrice$80.00Rating4Rated 4 stars out of 5(68)