Get the insulation of a bulkier baselayer without the weight in the Midweight Stretch Baselayer Tights. Performance Fit is a body-mapped design, contoured to move with you. Omni-Wick fabric: Moisture-wicking fabric moves perspiration away from the skin to dry quickly on the surface. Four-way stretch for improved range of motion. Omni-Heat reflective lining: Metallic lining reflects body-generated heat for improved warmth retention. Backing dissipates excess heat. Membrane comprises 65% of lining for high breathability. Friction-reducing flatlock seams are ergonomically placed to improve mobility. Flat elastic waistband. Functional fly. Logo print at back hip. 85% polyester, 15% elastane. Machine wash and tumble dry.