Helly Hansen Men'S Lifa Stripe Crew Lightweight Breathable Moisture, Medium The original technical Helly Hansen base layer. An iconic design with the classic stripe along the sleeve. This long-sleeve base layer top for men provides moisture management during aerobic activities and is ideal for climbing, skiing, sailing, and sports training. Comfortable and functional as an insulating layer for everyday use, this base layer features cuffs and a regular fit. The HHDry construction with 100% lifa is a quick-dry, extremely breathable, and super-lightweight high-performance base layer. Continually perfected over the last 40 years, lifa stay dry technology is the unique ingredient of all Helly Hansen base layers. Sporting sharp stripes down the sleeves, this classic, long-sleeve base layer is designed for all sports and for use in all seasons. Made with polypropylene, the shirt features Lifa Stay Dry Technology that moves moisture away from your skin, faster and more effectively than other fabrics. It's been rated one of the best base-layer fabrics by consumer tests worldwide. The shirt offers an athletic fit along with low-bulk cuffs and flat-lock stitching for greater comfort. This product features Helly Hansen's HH Dry technology--a three-layer system that stays dry next to your skin, keeping you comfortable during highly aerobic activities in a wide range of conditions. Manufacturer Warranty All Helly Hansen technical outerwear garments (HellyTech, HellyTech XP, and HellyTech O2) are covered by a limited lifetime warranty. Helly Hansen footwear is covered up to one year against defects in materials and workmanship. This policy does not cover normal wear and tear on the product. About Helly Hansen A True Performance Product A True Performance Product