The new PhD Cycling 3/4 lightweight crew is the perfect combination of height, weight and fit for year-round cycling. • 4-Degree Banded Fit System for all day performance fit • WOW Technology in High Density Impact Zones to reduce shock & abrasion • SmartWool inside for moisture, temperature, and odor control • Duroyarn™ reinforcement for added comfort & durability • Strategic Mesh Zones for maximum ventilation • 69% wool, 28% nylon, 3% spandex |