The mask that started it all, the Sea Vision 2000 offers elegant simplicity without sacrificing function and comfort. Sea Vision's 2000 Mask is a comfortable fitting low volume 2-window mask. Mask is equipped with swivel buckles and its skirt is made from crystal silicone the highest-grade of silicone available. The double feathered edge black crystal silicone skirt and wide split strap combined for a comfortable and perfect seal on the face. The mask has a one hand easy to reach nose pocket for ear equalization that even works well with thick gloved hands. Mask is designed to fit a wide range of faces, fitting divers in a weight range from 60-240 Pounds. (27.2 to 110 kilograms).