All Products

4-Way stretch UV flex Provides excellent protection against UV rays Flatstitched throughout entire shirt Highest quality 6oz UV FLEX material 4-Wa...

Flatlock seams Unisex Tropic Short. Flatlock seams

The MB project objective has been to renovate our medium-high range of fins featuring carbon fiber blades. At C4, the 200 series fins are consider...

Made with 3mm Greenprene™ 100% neoprene-free sustainable insulating foam. Third party tested and is approved by the United States Department of Ag...

Bio-Span™ interior fabric laminate is made from recycled water bottles Aqua Silk™ exterior fabric laminate is ultra durable, abrasion and Velcro® ...

Bio-Span™ interior fabric laminate is made from recycled water bottles Aqua Silk™ exterior fabric laminate is ultra durable, abrasion and Velcro® ...

Bio-Span™ interior fabric laminate is made from recycled water bottles Aqua Silk™ exterior fabric laminate is ultra durable, abrasion and Velcro® ...

Bio-Span™ interior fabric laminate is made from recycled water bottles Aqua Silk™ exterior fabric laminate is ultra durable, abrasion and Velcro® ...

Bio-Span™ interior fabric laminate is made from recycled water bottles Aqua Silk™ exterior fabric laminate is ultra durable, abrasion and Velcro® ...

Bio-Span™ interior fabric laminate is made from recycled water bottles Aqua Silk™ exterior fabric laminate is ultra durable, abrasion and Velcro® ...

Long Sleeve Shirt with full front zipper. Polytherm Trilaminate Torso Polytherm Polyester/Fleece Side Panel w/o Membrane. Lavaskin Polyester/Fleec...

The new UP fins featuring technopolymer blades and 250 foot pockets are the result of the close collaboration between Umberto and C4. The Technopo...

Super soft, 250% stretch neoprene provides a “melt in your hand” feel. Aqua Silk™ lining on all interior panels. Larger neoprene panel and minimiz...

Super soft, 250% stretch neoprene provides a “melt in your hand” feel. Aqua Silk™ lining on all interior panels. Larger neoprene panel and minimiz...

Super soft, 250% stretch neoprene provides a “melt in your hand” feel. Aqua Silk™ lining on all interior panels. Larger neoprene panel and minimiz...

Thermoprene® material with spandex trim Glued & sewn seams There’s no better way to boost warmth than to add a vest to your exposure protectio...

Super soft, 250% stretch neoprene provides a “melt in your hand” feel. Aqua Silk™ lining on all interior panels. Double glued and double sewn seam...

Flexible, durable outer layer. Windproof and breathable middle layer Warm, moisture-wicking, inner fleece layer. Extended material on back to keep...

DURABLE CONSTRUCTION: Made of 400 Denier polyurethane coated nylon, this SMB will last dive after dive without issue. The nylon strap on the top a...

Liquid Taped Aqua Lock® Seams Double Glued & Blind Stitched Zipperless Cuffs & Ankles Quick Dry Lining • Aquasilk® Exterior Laminate. PK® ...

DiveAlert is a specially designed, small, light weight air horn that uses quick-connect / disconnect hose couplings to become an integrated part o...

Super soft, 250% stretch neoprene provides a “melt in your hand” feel. Aqua Silk™ lining on all interior panels. Larger neoprene panel and minimiz...

Super soft, 250% stretch neoprene provides a “melt in your hand” feel. Aqua Silk™ lining on all interior panels. Larger neoprene panel and minimiz...