-30% AVAILABLE NOW Thermos Standard Mouth Hydro Flask 21oz S21SX001 €26.57 €37.95 Themor Standard Mouth Hydro Flask 21oz with exclusive double-wall vacuum insulation that protects the temperature for hours. Cold drinks stay ice cold and hot drinks stay piping hot, so you can stay cool on any adventure. The perfect travel companion. 621ml bottle with standard flex cap. Add to cart