When you're building a medieval kit, the layer closest to your skin usually dictates how your whole day is going to go. We designed the Modesto Undertunic to be that reliable base you don't have to fight with. It follows the classic High Medieval T-shape, floor-length and long-sleeved, so you get the right historical silhouette immediately. It's got the look of a traditional garment, but we've used modern tailoring tweaks to make sure it fits and moves comfortably.   For this undertunic, we used 100% cotton. It has a light feel and lets your skin breathe. If you've ever spent a summer afternoon at an event, you know that airflow is everything.   Think of this tunic as a bit of insurance for the rest of your wardrobe. It does the dirty work, soaking up perspiration and protecting your expensive outer wools and silks from wear. It also gives that sharp, clean white contrast...