Lululemon 105 F Singlet Tank

I think this may be a size 4 but I’m not sure. Please check measurement photos. Colour: Heathered Dark Grey 🌈Seriously Light Luon is sweat wicking, four-way stretch and breathable 🌈Silverescent technology, powered by X-STATIC® The Silver Fiber®, inhibits the growth of odour-causing bacteria on the singlet 🌈carved racerback shape allows for a full range of motion 🌈long in the back to help keep your ass(ets) covered