Men's Long Sleeve Tops

An incredibly warm merino wool base layer for the coldest months of the year, the Merino 260 Tech Long Sleeve Half Zip is a go-to piece for winter ...

A classic plaid flannel shirt made with organic cotton and coconut buttons. Fit Regular Composition-52% organic cotton and 48% conven...

Serious solar protection that doesn't compromise on style, the Crater Lake™ Long Sleeve Hoody has you covered whenever and wherever the sun catches...

The Merino 175 Everyday Long Sleeve Half Zip is a classic, all-purpose base layer made with soft and breathable 100% merino wool rib-knit fabric. ...

Cult-classic adventure shirt in a long sleeve, the cool, comfortable Desert Pucker is a Royal Robbins staple with over 1 million sold. It’s made wi...

Make every high effort outing smooth as butter with a long-sleeve layer that’s worth its weight in sunscreen—minus the need for reapplication. This...

This perfect moisture-wicking base layer is buttery soft, allowing you to move effortlessly through any environment without chafing or overheating....

Perfect for giving it your all on the next pitch or pacing on your favorite trail, the Butter™ Long Sleeve Hoody is big on performance without sacr...

The Astroman Long Sleeve Sun Shirt is named after the legendary route in Yosemite Valley, featuring our best-selling lightweight, stretchy, and dur...

Lightweight, comfortable long-sleeved shirt for trekking and outdoor life in the summer. Made from a soft, functional fabric that wicks away moistu...

Long-sleeve shirt with slim fit in comfortable cotton flannel. Button-down collar, two breast pockets with flaps and sleeve buttons. Produced witho...

The R1® Air Zip-Neck is a lightweight, highly breathable and quick-drying technical fleece for cool conditions. The quarter-zip offers venting and ...

A lightweight and versatile merino mid layer ideal for high-intensity pursuits in cool to cold conditions, the Merino Blend 200 Realfleece™ Descend...

The best shirts are the ones that fit like a glove from the start and get better with every wash. Garment dyed organic cotton makes for a style tha...

Put the DILLINGR™ on your most wanted list. Luxuriously soft and breathable, this classic flannel provides versatile comfort and warmth when the te...

There’s no running from the LAW™. Our exclusive, cotton/tencel blend takes flannel comfort to a whole new level. Soft, durable, and warm, the LAW™ ...

Luxuriously soft, lightweight, and breathable, the DESCENDR™ Flannel is your go-to for all-day comfort and warmth. Our versatile, everyday design e...