Ibex sent me this Woolies Zip T to try out. I've been wearing it for a few months now and absolutely love it. It fits well but isn't too tight and performs great. It's made out of soft, merino wool, so it stays warm when wet and is very comfortable. Product link: http://shop.ibex.com/Apparel/Mens-Long-Sleeve/M-Woolies-Zip-T-Stripe.