Lorpen TEPEx Inferno Expedition Polartec Socks

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NPR7,700

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Tags: Lorpen Inferno Polartec Shoes, Lorpen socks, Trekking socks

The Lorpen TEPEx Inferno Expedition Polartec are extreme cold-weather mountaineering socks with three-layer construction, PrimaLoft® Gold insulation and 70% merino wool, built for -40 °C expeditions and 8,000 m peaks. Buy authentic Lorpen Inferno socks in Nepal online at Makalu e-Traders – official stockist with best price and technical specs.

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Used on winter expeditions, the Lorpen TEPEx Inferno Expedition Polartec is the warmest sock in Lorpen’s range, engineered for prolonged exposure in extreme high camps and polar environments. Combining a thick merino-wool inner layer, PrimaLoft® Gold synthetic insulation mid-layer and abrasion-resistant Polartec® outer, it delivers unmatched warmth even when wet while remaining highly breathable during ascents. Ideal for 8,000 m climbers, winter expeditions, camps or any trek above 5,000 m in winter, this is the professional-grade sock trusted by UIAGM guides and high-altitude porters.

Key Features

3-layer TEPEx™ (Tri-Layer Expedition Performance) construction
Inner layer: 70% merino wool + 20% Tencel + 10% Ea.LYCRA®
Mid-layer: PrimaLoft® Gold 200 g/m² insulation
Outer layer: Polartec® Windbloc® + nylon reinforcement
25 cm shaft height (over-calf expedition cut)
Reinforced shin, heel and toe with nylon plating
Left/right anatomic fit
Smooth toe seam + padded footbed

Key Points

Warmest sock in Lorpen catalogue – official rating down to -40 °C
PrimaLoft® Gold stays warm even when soaked (unlike down or pure wool)
70% merino wool inner layer – superior natural odour control vs 100% synthetic socks
Polartec® Windbloc® outer blocks wind and spindrift at 8,000 m camps
Used by commercial teams and Himalayan rescue teams

Technical Specifications

Total Weight: 165 g per pair (size M)
Shaft Height: 25 cm (measured from heel)
Insulation: PrimaLoft® Gold 200 g/m² (highest grade)
Material Breakdown: – 70% Merino Wool – 20% Tencel® (lyocell) – 10% Ea.LYCRA® + Nylon + Polyester reinforcement
Temperature Rating: -40 °C (manufacturer expedition rating)
Thickness: Expedition**: Over-calf, 3-layer (≈ 15 mm padded)
Sizes Available: S (35–38), M (39–42), L (43–46), XL (47–50)
Certifications: – PrimaLoft® Gold Insulation certified – Bluesign® approved fabrics – OEKO-TEX® Standard 100
Care: Machine wash 30 °C, no softener, air dry (do not tumble dry)

Color	Black/ Orange
Size	L, M, S, XL

Brand

Lorpen

Shop Lorpen technical socks & baselayers in Nepal at Makalu e- Traders! High-performance trekking, running, and skiing socks with 3-layer technology for ultimate comfort and durability