If you soon find yourself gawking at foliage and noticing a chill in the evening air, there's a good chance that fall has descended upon you.
But there's only one way to know for sure.
Look to your left, then to your right. If everyone around you is swathed in a cozy henley, then you can confirm that it is, in fact, fall.
Because nothing—not football season, falling leaves nor calendars—signals the start of fall quite like this pullover shirt with its buttoned placket.
So to assist you with this season's most important attire, we've collected 10 great henleys and placed them below. Wear them on their own, or enlist them to layer over or under basically anything else you own as temperatures begin to drop.
Colder days require heavier henleys, like this heavyweight jersey cotton henley with a soft, vintage-inspired wash and military-style buttons. $120, Alex Mill
Dubbed the Heavy Bag Henley, this one's about twice the weight of a standard cotton T-shirt for those chilly fall days, but it doesn't sacrifice softness—it leans into it. $68, Taylor Stitch
This 100% Supima cotton henley features a waffle weave that sounds delicious, but its chief purpose is to be comfortable and look good. $88, O.N.S.
Patagonia's built-to-last henley is made from a blend of 55% industrial hemp and 45% organic cotton. Note the chest pocket, a rare sighting in the wild. $55, Patagonia
The Everyday Henley lives up to its name. It's available in three colors, has built-in sun protection, and is made with quick-dry fabric that provides just the right amount of stretch. $68, Myles Apparel
Try this mid-weight cotton number on for size. It's a slub scallop shirt with dyed-to-match custom buttons. $98, Good Life
This lightweight thermal henley is crafted from textured cotton and heavily washed to give it a timeworn, weathered appearance. But in a nice way. $145, RRL
This super-soft, stretchy henley is moisture-wicking, made to move, and protects you from the sun with its UPF 30+ construction, so you can stroll in the park, tailgate or otherwise enjoy the elements. $74, Vuori
This lightweight layer is made from a soft blend of hemp and organic cotton, and it features a two-button placket with wooden buttons. $68, Huckberry
For a budget-friendly option that still looks great, try this roomy cotton henley with a pair of jeans and sneakers. $30, Abercrombie & Fitch