Lightweight, soft, and impossibly wearable. Our 100% merino wool knitted tee keeps you comfortable when the weather can’t decide. Layer it, wear it solo—your go-to piece for the in-between seasons.. RWS Merino Wool is wool done right. Responsibly sourced from certified farms that put animal welfare first, it keeps you warm when it’s crisp, cool when it’s mild, and comfortable all day long. Durable, natural, and guilt-free, it’s premium wool you can feel good about.