Built for the ascent. Whether it’s a frosty trail start or a high-alpine climb, this technical midlayer balances thermal warmth with lightweight breathability. Featuring ILUS stretch fabric and a specialized fleece backing, it’s engineered to trap heat while moving effortlessly with your body.

Performance Highlights

• Advanced Thermal Regulating: 230gsm oval fleece backing maximizes heat retention while minimizing bulk.
• Chafe-Free Comfort: Seamsmart technology reduces seam count for ultimate comfort during high-intensity movement.
• Freshness & Protection: Built-in chemical-free antibacterial odor control and UPF 50+ UV protection.
• Rugged & Ready: Abrasion-resistant stretch fabric designed to withstand heavy pack straps and rough terrain.

Technical Specs

• Fabric: 94% Recycled Polyester, 6% Elastane (Eco-friendly stretch).
• Storage: Discrete invisible zip chest pocket + functional zipped hand pockets.
• Fit: Ergonomic stretch construction for a full range of motion.
• Weather Ready: Wind-resistant finish to eliminate trail chill.