New balance excel race day singlet ladies this new balance excel race day singlet ladies features nb glow technology which allows you to be seen in the dark this ladies running top also features nb ice technology which allows for sweat activated cooling and 2 way air circulation running top nb glow nb ice nb fresh sleeveless mesh panels new balance branding shell 1 100 polyester shell 2 89 polyester 11 elastane shell 3 86 polyester 14 elastane br