Thermal Base Layer
Stay warm, dry, and powerful in every ride with the O2 Custom Factory Thermal Base Layer—engineered for athletes who refuse to let cold weather slow them down.
Crafted with high-performance, moisture-wicking fabric, this base layer provides exceptional insulation while keeping sweat away from your skin. Its ultra-lightweight and breathable design ensures maximum comfort under your race suit or training gear, offering a second-skin feel without restricting movement.
Key Features:
• Thermal Insulation – Retains body heat while remaining breathable for optimal temperature regulation.
• Moisture-Wicking – Keeps sweat away, ensuring you stay dry even during intense efforts.
• Stretch Fit – Designed for a snug, aerodynamic fit that moves with you.
• Soft & Lightweight – Feels like a second skin, providing comfort for all-day wear.
• Versatile Layering – Perfect for cycling, speed skating, and endurance sports in cold conditions.
Built for those who lead the pack, the O2 Custom Factory Thermal Base Layer is the ultimate foundation for performance in any winter challenge.
*This is a made to order item. In order to keep the highest quality on our awesome products and offer you lowest prices, we hold a low stock of this item. Please allow for up to 3 weeks for production & shipping
Stay warm, dry, and powerful in every ride with the O2 Custom Factory Thermal Base Layer—engineered for athletes who refuse to let cold weather slow them down.
Crafted with high-performance, moisture-wicking fabric, this base layer provides exceptional insulation while keeping sweat away from your skin. Its ultra-lightweight and breathable design ensures maximum comfort under your race suit or training gear, offering a second-skin feel without restricting movement.
Key Features:
• Thermal Insulation – Retains body heat while remaining breathable for optimal temperature regulation.
• Moisture-Wicking – Keeps sweat away, ensuring you stay dry even during intense efforts.
• Stretch Fit – Designed for a snug, aerodynamic fit that moves with you.
• Soft & Lightweight – Feels like a second skin, providing comfort for all-day wear.
• Versatile Layering – Perfect for cycling, speed skating, and endurance sports in cold conditions.
Built for those who lead the pack, the O2 Custom Factory Thermal Base Layer is the ultimate foundation for performance in any winter challenge.
*This is a made to order item. In order to keep the highest quality on our awesome products and offer you lowest prices, we hold a low stock of this item. Please allow for up to 3 weeks for production & shipping
Stay warm, dry, and powerful in every ride with the O2 Custom Factory Thermal Base Layer—engineered for athletes who refuse to let cold weather slow them down.
Crafted with high-performance, moisture-wicking fabric, this base layer provides exceptional insulation while keeping sweat away from your skin. Its ultra-lightweight and breathable design ensures maximum comfort under your race suit or training gear, offering a second-skin feel without restricting movement.
Key Features:
• Thermal Insulation – Retains body heat while remaining breathable for optimal temperature regulation.
• Moisture-Wicking – Keeps sweat away, ensuring you stay dry even during intense efforts.
• Stretch Fit – Designed for a snug, aerodynamic fit that moves with you.
• Soft & Lightweight – Feels like a second skin, providing comfort for all-day wear.
• Versatile Layering – Perfect for cycling, speed skating, and endurance sports in cold conditions.
Built for those who lead the pack, the O2 Custom Factory Thermal Base Layer is the ultimate foundation for performance in any winter challenge.
*This is a made to order item. In order to keep the highest quality on our awesome products and offer you lowest prices, we hold a low stock of this item. Please allow for up to 3 weeks for production & shipping