The Charli Button Tank Top in Black is the kind of foundational piece that earns its place not through novelty but through precision. Cut from a 100% organic cotton rib in a slim fit, it has a low V neckline at the front that transitions into a high back — a proportion that sits well against leggings, bike shorts, or high-waisted trousers. The small binded placket at the front features a black pearlised button closure, and both the armholes and neckline are finished with a clean binding that adds structure without stiffness. At the back, The Upside's embroidered arrow logo appears in cream — a small detail that's visible but not loud. The organic cotton rib has a light stretch and a dense, smooth hand that holds its shape through wear and washing. In Black, it's the most versatile tank in the range: pairs back to everything and disappears into whatever you're building the outfit around. Style Advise: Layer under the Sebastian Knit Crew for a sport-to-street tonal look, or wear alone with the Roma Pant in Desert Rose for a two-piece active set. The V neckline and slim silhouette also work well tucked into a wide-leg linen trouser for an elevated casual outfit. In Black, it pairs with anything. Fit Advise: Slim fit. Length from high shoulder point to hem: XS 55.7cm, S 56.5cm, M 57.3cm, L 58.1cm. Model Eden is 175cm and wears a size S Product Details Low V neck at front with high back Organic cotton rib fabrication Small binded placket with black pearlised button closure Binded armholes and neckline Embroidered arrow logo at back in cream Slim fit Black colourway Material / Fabrication: 100% Organic Cotton — lightweight rib with light stretch and dense, smooth hand. Garment Care: Cold machine wash with similar colours. Wash inside out. Do not soak, bleach or wring. Hang dry in shade. Do not tumble dry. Warm iron. Do not iron on prints or embroidery. Do not Dry Clean.
