Helly Hansen HH Lifa Performance 1/2 Zip Thermal Baselayer Top, Striped Sleeves Helly Hansen HH Lifa Performance 1/2 Zip Thermal Top. This black baselayer features the iconic white striped down the sleeves and a mock neck with half-zip closure. Constructed with Lifa technology for moisture management during high-intensity activities. Condition: Used-Acceptable. Please note there is a small hole near the bottom front hem and some visible staining/marking on the back panel as shown in photos. The elbows show wear. Perfect for a work layer or high-output activities where signs of wear are less critical. Measurements: Approximately 21 inches pit-to-pit and 28 inches in length.