Womens HH LIFA LIGHT 3/4 BOOT TOP Pant No. 48333 Extra warmth for your legs without adding bulk to your socks and ski boots HH LIFA Light is a performance base layer, delivering lightweight insulation and comfort for everyday use and high performance activities. HH LIFA light constructed with 100% Lifa® fiber is quick-dry, very breathable and super lightweight. Continually perfected over the last 40 years, Lifa® Stay Warm technology is the unique ingredient of all Helly Hansen base layers