LUX ESSENTIALS AXIOM LUXThe Axiom bra is lined and is best for High Impact activities. If you are looking for more coverage while working out this is the perfect bra for you. Finished with a comfortable elastic band that stays in place while keeping you supported. A black bra will always be a staple in your wardrobe, but what sets our bras apart from the rest is our Lux proprietary fabric. With its light weight second skin feel, we take beauty through performance seriously.