Helly Hansen HH Dry Stripe Long Sleeve Base Layer Crew Top 100% Polypropylene Imported HH Dry construction with 100% Lifa is a quick-dry, extremely breathable, and super-lightweight high-performance base layer Designed for all sports and provides comfort no matter how long or how hard you plan to go Iconic design with Lifa stripe along sleeve Continually perfected over the last 40 years, Lifa Stay Dry technology is the unique ingredient of all Helly Hansen base layers Flatlock stitching, allergy neutral-non itch, lightweight, dry next to skin