Men's Run Zero Cushion Low Ankle Size:Medium the Delta Jacket performs as

the Delta Jacket performs as a midlayer in cold conditions or a standalone in cooler temperatures

Flip-out pot support

Diameter 31

Interlock™ lid system: Creates a form-fitting barrier against extreme temperatures

Sternum strap with whistle

Men's Run Zero Cushion Low Ankle Size:Medium the Delta Jacket performs asWhen youre ready to put in mile after mile of training runs, this sock will bring the comfort and durability goods. Features: Made with natural Merino wool: Comfortable Breathable Odour resistant Indestructawool technology with extended durability zones Shred Shield technology to reduce wear from toes Mesh zones for enhanced breathability Virtually Seamless toe for enhanced comfort 4 Degree elite fit system for a dialled in, performance oriented fit,