UTO Merino Wool Quick-Dry Base Layer Set Unisex Ski Mountaineering Thermal Underwear Classic Black Men’s L

Moisture-wicking and quick-drying

Thermal insulation and temperature regulation

Machine washable

1. Zoned ventilation system with full-body "fresh air system" for temperature regulation and heat dissipation

2. Seamless one-piece knitting for skin-like fit, flexibility, and reduced friction during exercise

3. Antibacterial and odor control technology using volcanic mud mineral layer to inhibit bacteria and odor molecules

4. Ergonomic design for full functional and thermal adaptation with dynamic support and better fit

16.5μm ultra-fine Merino wool fibers, five times finer than human hair, providing cloud-like softness without itchiness

Merino wool’s unique 3D crimped fiber structure combined with TIME CAPSULE® technology for active moisture absorption, heat generation, and temperature regulation

Far-infrared heating technology stores body heat and enhances moisture wicking to balance body temperature

Targeted compression on arms and thighs to stabilize muscles and reduce lactic acid buildup

Soft, itch-free 16.5μm Merino wool for gentle skin contact

Elastic LYCRA® yarn for excellent stretch and freedom of movement without tightness

Seamless one-piece knitting reduces side seams and friction, enhancing comfort

3D breathable ventilation holes on chest for precise sweat evaporation and heat management

Slim-fit side waist design for women to enhance silhouette

Size recommendations based on height (cm) and weight (kg) provided for optimal fit

Intermediate mountaineering

Outdoor running

Professional skiing

Advanced hiking

Moisture-wicking and quick-dry performance certified according to GB/T21655.2-2019

Far-infrared heating technology tested with radiation temperature rise >1.4°C, emissivity 0.92, compliant with GB/T 30127-2013 and GB/T 35762-2

AAA-level antibacterial certification per FZ/T73023-2006 standard

All test data sourced from third-party authoritative institutions

Product images are real shots; slight color differences may occur due to lighting and display settings; returns and exchanges supported for color discrepancies

All indices (quick-dry, warmth, thickness, compression) increase with higher values indicating stronger functional effects. Measurements are manual and may have slight deviations. Size chart is for reference only due to individual preferences and body types.