Insulated 32 oz double-wall stainless steel water bottle finished in matte black with a wide-mouth screw top. Holds cold beverages cold for up to 24 hours and hot drinks hot for up to 12 hours, with no metallic aftertaste or condensation on the exterior. Sized for full-day hydration with electrolyte mix or plain water at gym, office, or training environments. BPA-free, lead-free, and dishwasher-safe on the top rack. The matte finish resists scratches and fingerprints, holding a clean dark luxury aesthetic across daily use. Useful for ketogenic athletes who target consistent water intake to compensate for the diuretic effect of fat adaptation.