Our bundles can be applied to other colours and you can mix and match sizes. So if you want a bundle that doesn't appear here, CONTACT US and let us know and we’ll let you know if it’s possible! If you’re not a boxer guy, or a brief guy, these trunks sit quite nicely in the middle thanks very much. Made from our ultra comfy Merino+ fabric, (it’s the same epic fabric we use in our Ultra range of tops!), they deliver all the comfort and performance you’ve come to expect from our premium merino fabrics, but in a more streamlined fit. They're a bit more snug than our Altitude Boxers, with a little more coverage than our briefs, They fit true to size, but if you’re coming across from our Altitude Boxers you may want to size up. Tag-free labels, flatlock stitching and a flexible, ultra-soft ioMerino elasticated waistband help eliminate chafe and bulk and maximize comfort. Say goodbye to ordinary undies, and go with Men's Ultra Merino Trunks. SIZE & FIT True to size - but if you’re a fan of our existing Altitude boxers you may want to size up.Model wears size small. Model specs - height 173, chest 99cm, waist 76cm. Designed to fit perfectly under our other layers, they are a firmer fitting, active style, with less fabric in the legs and crotch. Size Guide. BEST FOR Everything!