Patagonia R4 Yulex 5.5/4 Hooded Chest Zip Wetsuit

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The Patagonia R4 Yulex Hooded Wetsuit packs insane warmth that will keep you in the water longer, even when the temp drops below 40 drips (Fahrenheit, that is). This 5.5mm/4mm cold-water wetsuit features all-new updates including ease of entry and a new fit. The suit’s designed to slip on fast, which you’ll be thankful for because if you are wearing this suit, it’s likely pretty cold. Round out this wetsuit with the triple glued and blind stitched seams and internal taping and you have an extremely warm, durable, and surprisingly stretchy (for the thickness) wetsuit.

Patagonia’s wetsuit line has been completely redesigned this season. The new suits feature an updated patterning across the back shoulder seam for ease of motion while paddling; a wider, lower-profile internal seam tape for utmost comfort; new 100% recycled, ultra-soft polyester arm and leg linings that saves 18 water bottles per suit; 100% recycled spandex in the external and internal thermal linings; AQUAa water-based glue; and, solution-dyed linings. They’re still constructed from a neoprene-free blend of 85% Yulex® natural rubber from sources that are FSC® certified by the Rainforest Alliance (meaning the forest of hevea trees––the source of the rubber––doesn’t come from a newly cut rainforest) and 15% synthetic rubber by polymer content. All Patagonia’s wetsuits are Fair Trade Certified™ sewn (the only Fair Trade Certified™ wetsuits in the industry, by the way).


  • Thickness: 5.5/4mm
  • Neoprene: Yulex Natural Rubber/Synthetic Rubber
  • Internal Lining: Recycled Polyester
  • Seams: Sealed/Taped
  • Zipper: Chest Zip
  • Hood: Attached
  • Model Year: 2020/2021
  • Manufacturers Part Number: 88526

Product Features

  • Made with neoprene-free Yulex; natural rubber/chlorine-free synthetic rubber that meets rigorous standards for performance, durability, warmth and sustainability
  • Torso/thighs: 4.5mm of 85% Yulex pure natural rubber/15% synthetic rubber
  • Arms/legs: 3.5mm of 85% Yulex pure natural rubber/15% synthetic rubber
  • Hood: 3.5mm of 85% Yulex pure natural rubber/15% synthetic rubber
  • Adjustable hood opening with cord lock and visor
  • Easy-access key loop located on chest
  • High stretch, 100% recycled polyester jersey lining throughout improves flexibility and dry time
  • Stretchy and water resistant exterior face fabric is 85% recycled polyester and 15% spandex
  • All seams are triple glued and blind-stitched and and internally spot taped at high-stress areas
  • Derived from sources which are Forest Stewardship Council Certified by the Rainforest Alliance
  • For temperate water ranging from 38 - 48° F / 3 - 9° C
  • 1,758 g (62 oz)
  • Made in a Fair Trade Certified facility
  • Made in Thailand


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If you are not 100% satisfied with your purchase you may return it for a full refund, or exchange within 30 days of receiving your order.

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