VariableFlow ventilation at the biceps with underarm grommets for additional venting1.2mm premium natural cowhide, VariableFlow ventilation at the biceps with underarm grommets for additional venting4-point SureFit waist adjustment, Removable satin quilted liner, 2 outside pockets - 1 inside utility pocketMandarin style collar, Subtly detailed laser-etched logosAmple reflective striping