Looking for the best merino wool T-shirts out there? Check out our favorite merino layers for hiking, biking, running, and ...

Cashmere is a type of wool that comes from goats ... especially with 100% cotton materials. Denim is a fabric traditionally made with 100% cotton using a unique weaving technique.

this versatile and super-soft fabric doesn’t have to break the bank or come from a high-end sporting-goods retailer. In fact, we found a stellar selection of 100% merino wool base layers on Amazon.