A pair of swimming goggles includes a body having a strap coupling section formed on each of two sides thereof. Each strap coupling section includes front and rear faces, with upper and lower grooves formed in the front face. Each groove includes a slot in an outer end thereof and a through-hole in an inner end thereof. The slots and the through-holes extend from the front face through the rear face. A head strap includes two ends each extending in sequence through one of the slots, one of the grooves, one of the through-holes, the other through-hole, the other groove, and the other slot, with the head strap forming upper and lower clamping sections.