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11 reviews

A street-legal mid layer to bolster your thermal defences on multi-day epics, bikepacking sorties or cycle trail adventures. Provides added warmth under your rain jacket when conditions turn nasty, plus is great for stooging around the hut or blending in while café-refuelling on tour.
  • Constructed from Thermostat™ quick-drying, breathable laminated fleece.
  • Three panel Lightwave™ Merino lined hood.
  • Raglan sleeves for enhanced fit.
  • Zipped chest pocket for storing shades and tunes.
  • No hand pockets for clean lines.
  • Full-length front zip for temperature control.
  • WhaleTail™ longer back for greater cycling warmth.
  • Designed & made by us in Aotearoa | New Zealand.

  Weight: 390 gm

A non-windproof version of WindFoil™ - Thermostat™ is a lightweight, quick-drying and breathable laminated fleece with a water repellant finish. Constructed from a knitted polyester face fabric with brushed polyester fleece on the inside. Its hyper-soft finish makes it delicious to wear against your skin. Yum. Thermostat has an excellent warmth to weight ratio. For cycling, low bulk is important - both when you're wearing the garment and when it's stashed away in your back pack or pannier. The advantages of heavier fleeces are mainly for sedentary types. 
  • Composition: 100% polyester
  • Water repellent finish on face fabric.

Ground Effect tops are cut with extra length in the back... and in the sleeves too. So when you stretch out in search of the perfect downhill position, neither your shirttail or sleeves will ride-up to expose your back or wrists to the elements.

+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.


  • All Ground Effect clothing enjoys a warm 40ºC machine wash. Try to 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 can damage technical fabrics and cause skin irritation.
    • Bleach rots natural fibres like merino, strips the dye, attacks laminates of waterproof fabrics and can also cause skin irritation.
    • Sodium Percarbonate (the main ingredient in oxygen whitener) can make colours run.
    • Fabric softener and stuff containing it like wool wash destroys the water repellent finish on waterproof and water resistant fabrics, and can cause colours to run.
  • As a rule of thumb, a product that is easy on the planet is also easy on your body. Select a mild plant-based soap like Ecostore, Earthwise or Aware.
  • Hand washing is sometimes the only option on tour, but a washing machine rinses more thoroughly and is preferable if you have the choice.
  • Most Ground Effect gear dries super-fast so hanging on the line or drooping over the bedpost is generally the best option. High heat can damage some fabrics so if you do take your threads for a spin, set the device on 'medium' or 'warm' rather than hot. A lap in the dryer is recommended for your rain jacket, after it has dried on the line, as it helps recharge its water repellant finish.

  • Be sure not to wash with socks, fluffy towels or flannelette sheets. Lint clings to the fleece on the inside of your top making it age before its time.
  • 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 11 Reviews
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    Filter Reviews:
      Daniel B.
      Australia Australia

      Awesome as usual.

      Brought this jacket for a MTB weekend at Thredbo worried I didn’t have anything for warmth as I come from Western Australia. As I thought the chairlift to the top was freezing, the jacket was worth its weight in gold. The usual quality from GE. Slight drizzle flicks off, the inside is very soft. It’s not a big jacket, the fit is definitely tailored for the size. But it fits me perfectly (6”1 and 85kg) I highly recommend this product.

      Peter G.
      New Zealand New Zealand


      Great top good for sport and social

      Stuart M.
      United Kingdom United Kingdom


      A great bit of cycling kit. Fits well good construction enjoy wearing it best for Autumn and Spring weather.

      Andy D.
      New Zealand New Zealand

      Warm and comfortable

      Bought this for chilly mornings at Bootcamp. Cosy and warm, the hood is perfect. Happy camper.

      Jonathan D.
      New Zealand New Zealand

      Very please with the Rangehood

      Light synthetic jacket that keeps you super warm. Really comfortable with a great fit, especially in the arms and shoulders. Raise your arms above your head and the whole top doesn't lift up like so many seem to do. Also XL is juuuuuust long enough in both the body and arm for me at 6'8". The design is a bit plain jane, and I haven't had it long enough to judge the durability, but if it's anything like the other GE gear that I wear basically everyday, biking or not, it will do just fine.