he perfect base layer for any dry suit and the only base layer you will ever need for your winter sport activities. Meant for cold weather outdoor performance, designed to be comfortable & fit perfectly during all kind of movements. Made with Polartec® Power Stretch® Pro material. Combine the shirt with the base layer shirt for maximum warmth ! Features: performance cut; flat stitching; light weight; body hugging 4-way stretch; keeps your skin dry when you sweat; highly breathable wind & abrasion resistant; comfortable next-to-skin.