Perforated Membrane Technology (PMT) provides active ventilation

This one piece is a bluesign® Product

Last: 100 mm Average – Average forefoot width and instep height

For athletic women who ski a wide variety of terrain and snow conditions

The Triple-F Membrane keeps water and snow from entering boots while allowing excess heat and moisture vapor to escape

Helly Hansen Lifa Active Mens Pant 2022 quick-fact__removeliner Perforated Membrane Technology (PMT) providesLightweight warmth and all day comfort. HH LIFA Active Pant is a performance base layer, delivering superior moisture management and lightweight insulation for all year activities. HH LIFA Active Pant is an advanced two layer construction with 100% Lifa fiber next to skin and wicking technical fibers outside. All in all, an unbeatable combination for moisture management, lightweight warmth and all day comfort. Weight: 270g FEATURES lightweight