Abstract: A double-lens breathing mask includes a breathing tube and a body. The body includes a lens frame assembly, two lenses, and a waterproof sealing skirt. The skirt includes an eye skirt portion, a mouth skirt portion, and a nose skirt portion in between, wherein the eye skirt portion and two lenses are embedded in the lens frame assembly, and the nose skirt portion is formed between the two lenses, and protruding forward from a lower portion of the lens frame assembly. When a user puts on the mask, the two lenses only respectively correspond to eyes of the user, and the nose skirt portion and the mouth skirt portion correspond to nose and mouth of the user, respectively.

Abstract: A breathable mask has a body including a main frame, a lens and a waterproof sealing skirt. The waterproof sealing skirt has a partition, which divides the interior of the body into an upper chamber and a lower chamber. A bridge is provided to further divide the lower chamber into a nasal chamber and a mouth chamber under the nasal chamber. When the user puts on the mask, his/her nose and mouth are accommodated in the nasal chamber and the mouth chamber, respectively. The nasal chamber and the mouth chamber are capable of being in fluid communication through the bridge.

Abstract: A breathable mask for snorkeling having a breathing tube and a body is provided. The breathing tube has an upper end portion and a lower end portion opposite to the upper end portion. The breathing tube has an interior with an intake conduit being formed therein. The upper end portion has an air inlet for inhaled air entering therein. The body is connected to the lower end portion, and includes a main frame, a lens connected with the main frame, a waterproof skirt partially embedded with the main frame and the lens, an exhaust device, and intake and exhaust passages. The exhaust device is independent of the breathing tube, and integrally formed with and extends upward from a side portion of the waterproof skirt. The exhaust device is provided with an exhaust one-way valve for dirty air exhaled by the user to be discharged outwards therethrough.

Abstract: A breathable mask comprises a body and a breathing tube. The breathing tube is in fluid communication with an interior of the body. The body comprises a main frame, a lens module, and a waterproof sealing skirt. The lens module has a lens portion and a support device. The support device is integrally formed with the lens portion at a distance inward from an outermost edge of the lens portion, and is interconnected with a portion of the waterproof skirt to improve the rigidity of the vicinity of the portion.

Abstract: A breathable mask including a breathing tube and a body is provided. The body is connected to the breathing tube so that an interior of the body is in fluid communication with an outside through the breathing tube. The body includes a main frame, a lens, a waterproof skirt, a purge valve and a mouthpiece. The waterproof skirt has a portion embedded in the main frame and a partition to divide the interior of the body into an upper chamber and a lower chamber. The purge valve is disposed at a lower portion of the body and in one-way fluid communication with the lower chamber. The mouthpiece disposed in the lower chamber has a first end and a second end opposite to the first end. The first end is contained in a user's mouth and the second end is in fluid communication with the purge valve.

Abstract: A mask and a transparent viewing window module thereof are provided. The transparent viewing window module includes a glass viewing window and an integrally-formed transparent encapsulation layer. The glass viewing window has an inner surface, an outer surface opposite to the inner surface and a peripheral portion defined along an outer contour of the glass viewing window. The integrally-formed transparent encapsulation layer fully and tightly encompasses the peripheral portion and the inner surface of the glass viewing window.

Abstract: A breathable mask includes a main frame, a transparent lens portion, a water-sealing skirt and a breathing tube. The main frame includes a lens frame, a mouth frame and a nose frame interposed therebetween. The water-sealing skirt is integrally formed by an eye skirt, a nose skirt and a mouth skirt, and a skirt frame is arranged in front of the eye skirt. The transparent lens portion and the skirt frame are embedded in the lens frame in a water-sealing manner, and the nose skirt protrudes outward from the nose frame. The transparent lens portion does not project outward from an outer edge of the lens frame at all.

Abstract: A breathable mask includes a body having a main frame, a lens, and a waterproof sealing skirt. The waterproof sealing skirt has a partition dividing the interior of the body into an upper chamber that shields the eyes and a lower chamber that shields the nose, and arranges independent air intake passages and exhaust passages to separate the fresh air inhaled and the dirty air exhaled. Alternatively, a nasal connecting portion having a purge valve can be provided in fluid communication with the lower chamber. It is also possible to provide a three-way connector having a nasal connecting portion, a mouth portion, and a drain portion in fluid communication with one another, wherein the nasal connecting portion is in fluid communication with the lower chamber. The mouth connecting portion is adapted to be contained in the user's mouth when the user well wears the breathable mask.

Abstract: A structure of a mask (1) includes a frame (10), a viewing window assembly (20), and a waterproof skirt assembly (30). The face portion (32) of the waterproof skirt assembly has a circumferential contact area (33). The face portion has a first shape and is made of a material that includes a re-moldable material. When a user (U) puts on the mask through a fastening device (40), the face portion is adapted to be squeezed and deformed to be in a second shape by the user's face, whereby making the circumferential contact area be capable of further following the contour of the user's face; whereas when the user takes off the mask, the face portion remains in the second shape.

Abstract: A water sports mask is provided, which includes a waterproof skirt, a left viewing window, a right viewing window, a head strap and a frame. Left and right skirt portions of the waterproof skirt define left and right hollow front portions, respectively. The left and right viewing windows are embedded with the left and right hollow front portions, respectively, and each of them has a width ranging from 30 mm to 60 mm, and a height ranging from 20 mm to 50 mm. The frame is detachably installed onto the waterproof skirt along peripheries of the left and right hollow front portions thereof.

Abstract: A breathable mask includes a main body and a breathing tube, and the breathing tube and an interior of the main body can be in fluid communication. The body includes a main frame, a lens module and a water-sealing skirt. The main frame has a lens frame, a mouth frame and a nose frame interposed therebetween. The lens module has a transparent lens portion. The water-sealing skirt is integrally formed by an eye skirt, a nose skirt and a mouth skirt, and a skirt frame is arranged in front of the eye skirt. The transparent lens portion and the skirt frame are embedded in the lens frame in a water-sealing manner, and the nose skirt part protrudes outward from the nose frame. The mouth skirt is adapted for one-way fluid communication to the outside through the mouth frame.

Abstract: A breathable mask includes a main frame, a transparent lens portion, a water-sealing skirt and a breathing tube. The main frame includes a lens frame, a mouth frame and a nose frame interposed therebetween. The water-sealing skirt is integrally formed by an eye skirt, a nose skirt and a mouth skirt, and a skirt frame is arranged in front of the eye skirt. The transparent lens portion and the skirt frame are embedded in the lens frame in a water-sealing manner, and the nose skirt protrudes outward from the nose frame. A purge valve is provided between the mouth skirt and the mouth frame. The mouth skirt is adapted for one-way fluid communication to the outside through the purge valve and the mouth frame.

Abstract: The present invention provides a lens assembly structure of swimming goggles. The lens assembly structure comprises two lenses, two retaining walls, two skirt portions, and two frame portions. Each of the lenses includes an eye side and a water side opposing to the eye side. The two retaining walls are provided on the eye sides of the lenses, respectively, and each of the retaining walls defines a visible area and a connection area. Each of the retaining walls has a configuration, and the corresponding skirt portion is disposed along the configuration. The connection area of the lens is affixed in the corresponding frame portion. The configuration of each of the retaining walls is a curve having a contour which is less complicated than a peripheral configuration of the lens.

Abstract: A snorkel mouthpiece assembly, including a main body, a mouthpiece, a connecting component and an accessory, is provided. The mouthpiece is connected to the main body. The connecting component includes a connecting portion and a fixing portion opposite to the connecting portion. The connecting portion is detachably connected to the main body, and the accessory is connected to the fixing portion. In this way, the snorkel mouthpiece assembly could be equipped with a variety of accessories during water or diving activities.

Abstract: A waterproof goggle is provided and includes a frame structure, a lens set and a waterproof leaning structure. The lens set is disposed in the frame structure and the waterproof leaning structure is waterproofly connected to the frame structure. The waterproof leaning structure includes an outer surface, an inner surface, several protrusions and several recesses; the outer surface is opposite to the inner surface, and the protrusions and recesses are alternately disposed on the outer surface; the protrusions are curvedly extended along a longitudinal direction from a front edge to a rear edge of the outer surface, and widths of each of the protrusions are varied along the longitudinal direction. Therefore, the leaning structure can be more easily stretched to fit different users' faces.

Abstract: A waterproof goggle is provided and includes a frame structure, a lens set and a waterproof leaning structure. The lens set is disposed in the frame structure and the waterproof leaning structure is waterproofly connected to the frame structure. The waterproof leaning structure includes an outer surface, an inner surface, several protrusions and several recesses; the outer surface is opposite to the inner surface, and the protrusions and recesses are alternately disposed on the outer surface; the protrusions are curvedly extended along a longitudinal direction from a front edge to a rear edge of the outer surface, and widths of each of the protrusions are varied along the longitudinal direction. Therefore, the leaning structure can be more easily stretched to fit different users' faces.

Abstract: A lens assembly that can be quickly released and assembled is provided. The lens assembly has a lens structure, a fixing structure and a quick release structure. The fixing structure can fix the lens structure around the eyes of a user. The quick release structure has a first quick release portion and a second quick release portion. The first quick release portion is disposed on the lens structure, and the second quick release portion is disposed on the fixing structure. The lens structure and the fixing structure can be assembled and disassembled rapidly by means of the first quick release portion and the second quick release portion without additional tools.

Abstract: A waterproof goggle is provided which includes a frame, a lens and a supporting structure. The frame has an inner ring surface, an outer ring surface which is opposite to the inner ring surface and a plurality of convex engaging teeth which are disposed on the inner ring surface. The lens is surrounded by the inner ring surface and has a non-porous rim portion which is clamped by the convex engaging teeth to affix the lens into the frame. The supporting structure has a covering portion and a supporting portion which extends backwards from the covering portion.

Abstract: A flipper is provided. The flipper includes a pocket, a blade and a strengthening structure. The pocket is for accommodating the foot of the user. The blade extends forwards from the pocket, and the strengthening structure is detachably disposed at the blade and extends to reach the front edge of the blade. The flexural strength of the strengthening structure is larger than that of the blade to constrain the swing angle of the blade relative to the pocket. By using the strengthening structure to constrain the swing angle of the blade, the flipper can not only provide a larger propulsion in the down-kicking state, but also decrease the resistance of water in the up-kicking state.

Abstract: A waterproof mask is provided in this invention. The waterproof mask comprises a frame portion and a leaning portion that is tightly connected to the frame portion. The leaning portion has a plurality of first structures and a plurality of second structures, which are alternately arranged. The first thickness of each of the first structures is thinner than the second thickness of the second structure. Due to the differences in thickness, the leaning portion of the waterproof mask can be adjusted according to the user's face shape for a perfect fit.