For fantastic moisture management and lightweight insulation, opt for LIFA® ACTIVE — our ultimate performance base layer for your outdoor pursuits. Featuring a cutting-edge 2-layer design, it boasts 100% LIFA® fiber against the skin and advanced wicking technical fibers on the outside. With striking sleeve stripes, who says base layers have to be basic? Experience unrivaled moisture control, lightweight warmth, and all-day comfort all in in one.