This wicking, performance fit tight features ergonomic seaming, 4-way comfort stretch fabric, and a thermal reflecting liner. FEATURES: Omni-Heat® thermal reflective Omni-Wick® 4-way comfort stretch Antimicrobial treatment protects this product from bacterial growth Ergonomic seaming Flatlocked construction Gusset detail FABRIC: 85% polyester / 15% elastane Omni-Heat® Reflective Anytime Stretch Jersey 85% polyester / 15% elastane stretch jersey Omni-Wick® Anytime OMNI-WICK®: High-Performance Wicking Fabric