The Royal Robbins Amp Lite II Long Sleeve is designed for men who spend time outdoors and need lightweight coverage that keeps insects at bay. With a long-sleeve cut and Active Fit styling, it’s made to layer comfortably under a pack or wear on its own for hikes, camping trips, or days exploring the trail.
Built from 100% recycled polyester approved by Bluesign®, this shirt is both durable and quick to dry, helping reduce environmental impact without sacrificing performance. Mosquito Protection Technology™ is woven into the fabric, creating a barrier against biting insects, while HeiQ Smart Temp thermoregulating technology adapts to your body heat to help you stay comfortable whether you’re pushing hard uphill or taking a break in the shade.
Mosquito Protection Technology™ refers to a permanent fabric finish that repels mosquitoes without the need for sprays or lotions, so you stay protected even after multiple washes. HeiQ Smart Temp uses special yarns that wick moisture and release it as vapor when you’re hot, then help trap air close to your skin when it’s cooler, offering a self-adjusting comfort system.
Product specifications
| Material | 100% recycled polyester |
|---|---|
| Other specifications | Lightweight, quick drying, stretch, kreukvrij, moisture wicking, chemicaliënvrije protection against muggen That not wegspoelt or verslijt |
| Environmental information | Bluesign® goedgekeurde gerecyclede dust, materialen and productie minimaliseren the impact on mensen and the planeet |
| Fit | Active fit |
| Technology/construction | Mosquito protection technology™, heiq smart temp.. thermoregulating technolog |
| Weight | 138 gr |






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