Under Armour Women's Padless Sports Bra

Bras shouldn't be complicated. They should be comfortable and they should be supportive.

Delivers strategic support, tailored for medium-support activities like cycling, weight training & boxing
Classic pullover style with racer back design & keyhole cutout for extra ventilation & easy on/off
Super-soft encased elastic bottom band for a stay-put fit
HeatGear® fabric delivers superior next-to-skin feel
Material wicks sweat & dries really fast
4-way stretch material moves better in every direction
Double-lined for coverage, no padding
87% Polyester/13% Elastane
Compression: Ultra-tight, second-skin fit.