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Splashdowns

82 reviews
Colour
Jet Black
Size

Full-length luxury overpants for committed commuters come rain, hail or deluge. 3 layer HydroFoil™ Plus fabric keeps your long pants dry while spiral zipped leg gussets let you pull them on and off over your shoes without any excess fabric to snag your chain.

+Features
  • Lightweight waterproof-breathable 3 layer HydroFoil™ Plus fabric with fully tape-sealed seams for maximum waterproofness.
  • Zipped fly with gripper elastic waist keeps them hitched up.
  • One piece gusseted crutch.
  • Articulated knees.
  • Zipped rear pocket.
  • Turns into itself to form a tidy package in your backpack or pannier.
  • Hazard!™ reflective labels and piping on lower legs.
  • Zip leg gussets expand to pull over your shoes, then zip up to avoid chain suck when pedalling.
  • Waterproofness: 23,000 mm hydrostatic head with a water-repellent finish.
  • Breathability: 33,000 gm per sqm per 24hrs.
  • Weight: 250gm
  • Designed & made by us in Aotearoa | New Zealand.
+Inseam Length

The garment's inside leg measurement from crotch to cuff.

S M L XL XXL
83.5 cm 85 cm 86.5 cm 88 cm 90 cm
+Tech

+HydroFoil™
Specifically developed for high aerobic activities, HydroFoil™ Plus combines a lightweight ripstop nylon shell with a composite membrane that is completely waterproof, totally windproof and extremely breathable. The outer fabric is the latest new-generation Pertex® Shield+ membrane. It is more than twice as breathable as most other quality waterproof-breathable fabrics, and has a small amount of stretch allowing a closer fit. The outer fabric is treated with a water repellent finish that encourages rain to bead up and roll off, while there is a lightweight tricot mesh on the inside for greater durability and improved moisture dispersion.
  • Composition: 100% nylon with PU laminate.
  • Waterproofness: 23,000 mm hydrostatic head with water repellent finish on face fabric.
  • Breathability: 33,000 gm per sqm per 24hrs.

+Hazard!™
Night travel is a spooky experience. Many Ground Effect garments feature our Hazard!™ reflective logo and piping to help remind traffic that we're on the road too.

+More than Kiwi Made
Ground Effect clothing is crafted right here in Aotearoa | New Zealand. Has been ever since we started back in 1994. Manufacturing locally works for us. We operate a quick-response system - holding minimal stock of any one item, but churning out a few more quick-smart when the pile gets low. The upshot is that we are seldom caught with our shelves empty, so orders get despatched the same day you place them.

+Video

+FAQ

+Benefits of 3/4 vs full-length over trou?
We've extensively tested both full-length and 3/4 waterproof pants over the years. In our experience 3/4's provide the best trade-off between functionality and performance in most conditions - especially for mountain biking, bikepacking and touring.
  • They are easy to whip on and off over your shoes.
  • Repel rain from the most exposed areas - your bum and thighs.
  • Avoid 'chain suck' at your ankles.
  • Minimise overheating when pedalling hard.

However full-length over trou are sometimes best - notably for commuting when you want to keep your long pants dry, or when touring to really cold and/or wet places.

+Washing

Like the drivetrain or expensive components on your bike, proper care and maintenance is essential to extend the life of your HydroFoil™ rain jacket or pants and optimise their performance over time.

Wash Regularly
  • Accumulated dirt, body oil, sunscreen and sweat degrade the factory-applied water repellant treatment on the outside of the HydroFoil™ fabric.
  • Wash after about half a dozen outings, or after a particularly grubby ride. If it looks dirty, then your garment is definitely overdue some love.
  • No need for kid gloves - just a warm machine wash at 40º with a mild plant-based soap like Ecostore, Earthwise or Aware.
  • You can also opt for a specific sport wash like Nikwax Tech Wash or Grangers Performance Wash - around NZ$30 online or from most outdoor shops.
  • Avoid cold-water detergents and those with bleach, 'oxygen whitener' or fabric softener.
    • The cold-water varieties have little enzymes that are super-charged to brave the cold but damage technical fabrics like HydroFoil™.
    • Bleach and sodium percarbonate (the main ingredient in oxygen whitener) can also cause damage and make colours run.
    • Fabric softener and wool wash attack HydroFoil's water repellent finish.
Recharge and Restore
  • After washing, line dry or preferably give it a spin in the dryer on a warm (not hot) cycle - this helps ‘recharge’ the factory water repellent finish.
  • The factory treatment does wear off quite quickly. When the fabric starts to rapidly wet out - generally after about four washes - you’ll want to restore with a water repellent solution.
  • Ground Effect recommends TX Direct. It is easy to apply and each bottle is good for a few applications. At just $29 NZD ($10 off the usual retail price), it’s a small and worthwhile investment to keep your expensive jacket or pants humming through the winter.
  • The effectiveness of this restoration process depends on the age and condition of your jacket.
  • Note that while the fabric's wetting-out impairs performance, particularly breathability, the HydroFoil™ laminate will remain waterproof.
Store Dry
  • A damp jacket left to fester for an extended period of time in your bag will suffer. Hang it on a hook or coat hanger in a dry place between rides.

+ Shipping
  • Items are generally packed and sent the same day your order is received.
  • Costs $9 by overnight courier within New Zealand.
  • NZ$12 by tracked airmail to Australia.
  • Around NZ$15-25 by tracked airmail to destinations elsewhere in the world - calculated in our shipping cart as you check out.
    • More shipping and tax details in our FAQ.
    Customer Reviews
    5.0 Based on 82 Reviews
    5 ★
    96% 
    79
    4 ★
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    3
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    Filter Reviews:
      AL
      04/10/2024
      Antonius L.
      New Zealand New Zealand

      Splashdowns

      Haven t actually used them yet but have lots of experience with Helter Skelters which are shorter versions of Splashdowns. Wore Helter Skelters for 12 hours in West Coast rain. Comfortable and happy. I am sure Splashdowns will be as good so happy to recommend

      BS
      29/09/2024
      Bernard S.
      Australia Australia

      Splashdowns

      Unfortunately have only two occasions of wet weather riding since my purchase. However Splashdowns certainly kept my lower half dry! Very comfortable to wear, easy access through the zipped gusset with or without shoes. The Spashdowns marry up well with my recent purchase of a new Storm Trooper to replace the same that I purchased from Ground Effect 21 years ago in 2003. An excellent investment. If these two new items last the same twenty one years it will see me hit my 99th year! I will expect a freebie replacement for the next unsteady years!great products, no complaints! Regards Bernard Silvey!

      JB
      11/07/2024
      Julia B.
      New Zealand New Zealand

      Love these

      Purchased these for my husband. My pair were fabulous on some very wet cold weather on the S2S cycle. Even worn as my evening gear in the huts when tramping. A great purchase. The waist is firm so we each went up a size.

      SA
      11/07/2024
      Sim A.
      New Zealand New Zealand

      Splashdowns

      I'm very happy with these, I arrived at work bone dry after a torrential downpour. Heaps of room to move in them compared to the old PVC number. They fold up nice and compact.

      GH
      12/06/2024
      Geoff H.
      New Zealand New Zealand

      They do the job, no question.

      The problem I had with the 3/4 length version was rain water running down my legs and into my boots - wet socks and boots. With this length, the boots are covered and my feet stay dry. Happy days. They also go some way to keeping my legs warm. As it is winter I have yet to suffer perspiring in them, not sure if they will breathe. Getting them on and off is trouble free with the zippered cuffs, though I take my boots off before removing the trou to keep dirt out of the legs. Have yet to ride in a real downpour which usually results in water getting me wet around my waist. Not sure if that is the over trou not being pulled up high enough or the jacket either riding up or bunching and puddling water. I can say that while the material is reasonably new, it DOES NOT LEAK! I hope these last as long as my other GE gear, but I get the impression that even with care the material and its water proof properties will slowly deteriorate. Fingers crossed for five years plus of service.