Dominate Your Terrain
Base Layer Secrets for Skiing, Trail Running & Alpine Hiking
"The layer next to your skin determines whether you conquer the mountain or quit at mile three."
Arctic Pro Series
- Merino wool blend for odor control
- Compression fit reduces muscle fatigue
- Extended back panel (no snow gaps)
Pro Tip: Worn by China's National Ski Team during Beijing Winter Olympics training.
Velocity Run Line
- Lightweight 120gsm fabric
- Targeted ventilation zones
- Reflective details for dawn runs
Pro Tip: Seamless construction prevents nipple chafing on 50+ mile ultras.
Summit Tech Wool
- 4-way stretch for scrambling
- Reinforced shoulders (pack-resistant)
- Thumb loops for layering
Pro Tip: Tested on 8,000m peaks by Chinese mountaineering expeditions.
🇺🇸 American Athletes Are Switching to UTO
"I switched from [competitor brand] to UTO for my Leadville 100 training. The seamless design is a game-changer—zero chafing at mile 70." — Mike R., Colorado
"Finally, a base layer that fits my 6'4" frame without riding up. The compression is perfect for recovery." — James T., Vermont
Find Your Perfect Base Layer
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