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A well-engineered trekking sock that balances insulation and comfort.
Lorpen says:
The warmest version of the PRO TREK LIGHT models. Thanks to the combination of RWS merino and Primaloft we get a warm sock without sacrificing lightness. It combines T3 light with SLS technology which keeps the foot dry. The padding in the heel and toe provides comfort during long days of trekking. The combination of Extra Grip and SBS technologies guarantees a perfect fit, avoiding excessive tightening of the calf
Our Verdict
At 53g (Medium pair), the Lorpen Pro Trek Merino Light Mid Crew Socks combine merino with recycled Primaloft, stretch nylon and Lycra to create a light yet warm option for trekking. The fit is secure, with grip elements and a flat toe seam helping to prevent movement or creasing that can cause blisters. Mesh zones at the instep provide ventilation, while targeted padding at the heel and toe improves comfort over long days. The cuff sits firmly without constriction, which keeps circulation free while holding the sock in place. Durability is strong for a lightweight model, with the blend of fibres resisting wear while maintaining shape. Lorpen, based in the Basque region of Spain, has a long-standing reputation in technical sock design.
- Reviewed by Ultralight Outdoor Gear
Please note that for hygiene reasons this product is non-returnable unless faulty.
Features
- SLS: Our SLS (Selective Layering System) allows us to combine different numbers of layers in the same sock, in different areas, depending on the activity. Guaranteed thermoregulation, key for blister prevention.
- Comfort Plus: Anti-tightening cuff technology that provides extra comfort, adapting to all calf sizes for a relaxed fit.
- Fit+ Adaptability: This ensures that the sock adapts well to each foot in each size, without wrinkles or creases that can cause blisters.
- SBS Toes Seam: A Lorpen technical sock has a flat seam that joins each stitch to the other without overlapping.
- Multiple Density Knit: Padding in high-impact areas and reduced padding or open mesh in others for ventilation, alongside Lorpen's proprietary multiple density technology.
- Thermoregulation: Open mesh areas encourage airflow, essential for preventing sweat build-up and reducing the risk of blisters.
Specifications
- Medium pair weighs: 53g
- Medium pair fits: EU39-EU42 / UK6-UK8
- Large pair weighs: 59g
- Large pair fits: EU43-EU46 / UK8.5-UK12
Material & Construction
- 33% Soft Merino, 29% Primaloft Recycled, 20% Stretch Nylon with Lycra, 18% Red-Cycled Nylon.
