low impact lowest support level slightly narrower shoulder straps lightweight and typically unpadded mid impact wider underband for added support slightly wider shoulder straps high impact widest shoulder straps women's bcg training sports bra women's bcg molded-cup sports bra women's bcg high-impact zip bra size guide size guide size guide women's adidas don't rest alphaskin sports bra women's under armour crossback sports bra women's bcg athletic mesh pieced fashion sports bra adidas barmour size guide size guide size guide women's under armour wordmark strappy sportlette sports bra women's nike alpha sports bra women's nike pro padded sports bra • available in plus size armour our under armour un size guide size guide size guide abcgales