For those of you looking for a little extra strength reading when looking atyour computer or gauge, Sherwood has the mask for you. Sherwood took one ofits best-selling and best fitting masks, the Sherwood Oracle, and made it evenbetter. Now with +1.75 positive Diopters located at the base of each lens, theSherwood Oracle+ delivers that added dimension. Think of it as bifocal glassesbuilt right into the mask. The unique design of Sherwood's Oracle providesdivers with tremendous comfort. It's distinctive reversed teardrop shapedtempered glass lenses provides superior field of vision to other masks of itssize. The Oracle is a low volume mask design that supplies an excellentpanoramic view without any distortion from side windows. The Oracle's pivotingquick disconnect buckle system makes any strap adjustments simple andconvenient. Mask is equipped with an easy to reach one hand nose pocket forear equalization which can be utilized even when wearing thick gloves. Maskhas a double feathered edge silicone rubber skirt and wide split stylesilicone rubber mask strap that combined to create a perfect seal on the face.Mask is available multiple colors in black or clear silicone. Mask comes witha protective mask box.