Designed with mizuno's "Virtual Body" Technology made with 2-way Stretch Breath Thermo for optimal Fit. Breath Thermo is a unique type of insulation fabric which generates heat from the absorption of moisture. Heat is generated via a chemical exchange between perspiration and the properties of the Breath Thermo Fabric. This is especially useful for protecting the human body from cold temperatures. D.F. CUT (Dynamic Function Cut) - Mizuno's design technology that coordinates fabric characteristics with specific sport patterns, eliminating stress and allowing unrestricted motion for better performance. Superior Moisture absorption and 4 needle flatlock construciton. Reflective logo and accent fron and back for safety.