The BBB FIRLAYER Unisex Long Sleeve Base Layer  is made for the coldest of conditions. The innovative Far Infrared (FIR) technology, keeps you warmer and more comfortable by improving the body's metabolism and micro-circulation.  It's the perfect first layer for all your winter cycling activities.

Features

• Far InfraRed (FIR) technology keeps your body warm and exceptionally comfortable by improving body’s metabolism and microcirculation.
• Technical long sleeve base layer with Far InfraRed (FIR) technology for cold weather conditions.
• The seamless body construction incorporates rib zones for enhanced body support & increased thermal efficiency.
• 3D Mesh zones provide excellent perspiration control.
• Long sleeve for extra protection during winter rides
• Unisex

Sizing

These base layers have combined sizing