Gradient compression technology enhances blood flow during endurance training.

This is the first layer you put on every time the mercury dips. It's the weight of a T-shirt, fits comfortably next-to-skin, wicks away sweat, and keeps you amazingly warm. If you work out when it's cold, you better do it in ColdGear Armour.

• Fitted: Next-to-skin without the squeeze.
• Dual-layer fabric with an ultra-warm, brushed interior & a smooth, fast-drying exterior
• 4-way stretch construction moves better in every direction
• Material wicks sweat & dries really fast
• Anti-odor technology prevents the growth of odor-causing microbes
• Smooth, chafe-free flat seam construction
• Articulated, ergonomic mock neck with ARMOUR wordmark on back
• 87% Polyester / 13% Elastane
• Imported

Hydraulic cushioning systems adapt to impact velocity