Spend a comfortable time driving or outside by wearing a pair of Tac Glasses Blue Blocker from Bell + Howell. These sleek glasses help to reduce glare, enhance colors and improve your optical clarity so you can dive safely without worrying about squinting. Tac Glasses are also built using high quality materials so that these glasses will last you a long time as well. Tac Glasses are 1-size-fits-all, so there is no worry about whether Tac Glasses are right for you.