Scruff

• Heatwave hi-performance thermal fabric combines a merino inner layer with a fast-drying polyester outer.
• One size fits all.
• Designed & made by us in Aotearoa | New Zealand.

  Weight: 48 gm

+Heatwave™ Merino

A bi-component thermal fabric combining merino and polyester yarns. Superfine 18.5 micron merino wicks sweat away from your skin while the polyester provides a durable, non-pill outer. Mid weight and machine washable.

• Composition: 51% merino; 49% polyester.
• Weight: 170 gsm

+Man vs Wild

• Merino is unrivalled for comfort as a body layer.
• It absorbs more moisture than synthetic fibres, mopping up excess sweat rather than letting it settle and cool on your skin.
• However high-aerobic activities like cycling will often overload ordinary merino. Heatwave's polyester component repels moisture to avoid total saturation of the fabric - so it dries faster to keep you toasty.

+Snug-as-a-Bug Fit

Heatwave™ Merino tops are intended to hug your body, ensuring the fabric sits against your skin to wick sweat away - keeping you dry and not chilling out.

+Hot 'n' Cold

As a single garment Heatwave™ Merino regulates your temperature through a wide range of conditions. Delivering comfort in all but the hottest climes. Yet it is versatile enough to layer under a WindFoil™, microFoil™ or HydroFoil™ shell in winter.

+More than Kiwi Made

Ground Effect clothing is crafted right here in 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 repellent finish. 

• Wash colours separately.

• Items are generally packed and sent the same day your order is received.
• Costs $7 by overnight courier within New Zealand.
• NZ$7 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.