Breathe easy when your run heats up in the women's Q Speed Breathe Half Sleeve. Built for superior ventilation, the relaxed fit is made with highly technical heather knit fabric that reliably wicks sweat with premium NB DryX moisture management. Mesh material from the chest up means this layer works overtime to help you stay cool and dry. Ready, sweaty? The women's Q Speed Breathe Half Sleeve from New Balance matches superior breathability with reflective trim and branding so you can tackle tough runs pre-sunrise and post-sunset. An all-over jacquard pattern offers a layer of modern style.