When the mountain calls for an extra layer, this answers. The Men's Burton Midweight X Base Layer Crew will keep your personal climate under control, with quick-drying, highly breathable fabric. Four-way stretch fabric will have you at peak flexibility.
Details:
- Chafe-free seams and four-way stretch feel good no matter how hard you're working or lounging.
 - Bluesign approved anti-odor finish keeps the stink away.
 - The Living Lining reacts to your body temperature, accelerating moisture wicking when you're hot and retaining warmth when you're cold for balanced comfort all day long.
 - Low Environmental Impact
 - Bluesign approved materials reduce impact on humans and the planet during manufacturing.
 - Slim Fit
 - Chafe-Free Softlock Seams for Comfort
 - Living Lining Midweight 200
 - Quick-Drying and Highly Breathable
 - Stretch 360° For Unlimited Mobility
 - Thumbholes
 - Living Lining Midweight 200: 92% Polyester, 8% Spandex
 - Lifetime Warranty