Helly Hansen Men's HH Dry Stripe Long Sleeve Base Layer Crew Top, Evening Blue Size Small The original technical Helly Hansen base layer- an iconic design with the classic stripe along the sleeve. The HH Dry construction with 100% Lifa is a quick-dry, extremely breathable and super-lightweight high-performance base layer. 100% polyamide Armpit to armpit 17” Length 26.5”