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Haywire

61 reviews
Colour
Treetop
Silver
Deep Marine
Size

A technical tee that delivers enduro attitude without breaking into a sweat. HyperActive fabric dries fast and the nano-charcoal layer against your skin keeps you sweet. Mix and match with your best-baggies or a pint of best-bitter.
+Features
  • UPF 50+ HyperActive™ fabric.
  • Designed & made by us in Aotearoa | New Zealand.
+Tech

  Weight: 150 gm

+HyperActive™
A lightweight summer fabric packed with technology to keep you cool and dry as. The bi-component knit backs a sharp-looking polyester outer with a smooth layer of nano-charcoal polyester against your skin. Nano-charcoal disperses sweat to accelerate evaporation and is naturally anti-microbial to fight nasty smells. The fabric dries at the speed of light - great when reduced to hand washing on tour - and even performs its quick-drying magic in the wet under a rain jacket.
  • Composition: 75% polyester; 25% nano-charcoal polyester.
  • Weight: 139 gsm.
+UPF 50
HyperActive's UPF 50+ rating extends your no-burn time by 50 times over bare skin. Designs with a stand-up collar and long sleeves maximise protection from the sun's UV rays. Yank 'em up if it gets too stifling.

+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.

+Compare

  Median Strip Marco Polo  Stingray Haywire
Pockets Three at rear None Three at rear None
Front Zip Full length Short 3/4 None
Fabric Lightwave™
Merino
Lightwave™
Merino
HyperActive™ HyperActive™
Fit
Sizes S - XL S - XL S - XL S - XL

+Washing
  • 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.
Customer Reviews
4.8 Based on 61 Reviews
5 ★
85% 
52
4 ★
11% 
7
3 ★
2% 
1
2 ★
0% 
0
1 ★
2% 
1
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Filter Reviews:
    RH
    28/02/2024
    Richard H.
    New Zealand

    Great summer top.

    Super comfortable on a hot day. Will last forever. Pleasing lack of logos!

    C
    11/04/2023
    Chris
    New Zealand New Zealand

    Accurate Sizing - primo Groundeffect product

    Was thrown a bit by the sizing as used my previous Haywire as a guide, so went up a size to XL, but new sizing/cut seems better/more accurate and although now a bit big it fits well over my protection vest, so that combined with the primo colour, luxurious feel of the fabric and multi-day performance, I'm pretty pleased with it,as I'd expect from GF.

    DS
    26/03/2023
    Dennis S.
    Australia Australia

    Haywire shirt

    Usual high quality from "across the dutch" at Ground Effect. Light weight so is a great sweat disperser. Great to see it in WALLABIES colour scheme. Like to see the faces at GE HQ upon initial viewing of WALLABIES prototype.

    GL
    01/03/2023
    Geoff L.
    New Zealand New Zealand

    Lightweight and Cool

    Very well made and comfortable to wear....

    SC
    09/02/2023
    Simon C.
    Australia Australia

    Perfect for a hot summer's day

    I love my pure merino and merino blend tops like the High Tee, but I heat up easily and sweat a a lot. So for those hot summer days, it's hard to beat a pure synthetic top on a 27+ degree day. Ground Effect have nailed it with Haywire. Nicely cut - not too baggy, not too tight. Loving the green (treetop) and black colour combo that's nice and subtle. I appreciate the lack of pockets as I wear a bum bag *cough* "waist pack" anyway. Can't go wrong with this one, especially at this price!