Dunlop biomimetic ultimate gts squash racket the dunlop biomimetic ultimate gts squash racket has been constructed with a closed throat area offering a smaller and more dense string bed which provides a reduced sweet spot size making it perfect for players who wish to improve precision and control this squash racket is constructed with aero skin technology which reduces drag giving a greater racket head speed for more power and spin coupled with biofibre technology for reduced shock upon impa