Lululemon Core Kicker Tank. Black. Size 6. Features: four-way stretch, sweat-wicking Light Luxtreme fabric is cool, comfortable and fits like a second skin. Has wide straps cross behind your shoulder blades so you can move freely. Open back design gives you room to sweat. built-in, medium-support shelf bra has cups for removable cups. ribbed side panels give you extra room to move. No flaws. In very good condition.