You could possibly survive your run without these, but it won't be nearly as pleasant

Details

• Midzero fabric provides stretch without the bulk while brushed inner wicks moisture keeping you warm
• FinoTherm provides comfort and added warmth where you need it most
• Lined gusseted crotch
• Flat sean construction reduces chafing

Fabric and Color

• Midzero 88% Polyester/12% Spandex; FinoTherm 100% Polyester
• Black