Free diving inde Compare to other products used by the first pin is hard to easy, too good momentum, rather than the usual 265 41 42 General pin is slightly larger Sachs also suitable sineumyeon
I ordered these spitfire about 3 years because the visor of one of my cressi left and was not changeable (never used one of Sporasub so risked). I am frankly pleased :, the fins are comfortable, resistant materials and visors behave well (are flexible). I have not had to change any visor so that aspect know not tell if it's easy. I recommend!