Bottoms

Keep your ski boots, hiking boots, and running shoes free of bulk and friction with the Men's Classic Thermal Merino Base Layer 3/4 Bottom. 100% responsibly sourced Merino wool provides ultimate breathability and comfort, while a newly redesigned base layer pants fit helps reduce sag and excess fabric - perfect for your layering needs.

The Men's Intraknit™ Thermal Merino Base Layer 3/4 Bottom are the warm and winter-ready pants you need to perform all season. Smartwool's Merino Sport yarn combines the power of ZQ-certified Merino wool with the strength and fast dry times of polyester . Featuring seamlessly knit mesh ventilation designed to keep you dry and comfortable and a 3D-mapped design for maximum mobility and durability, these are the men's wool bottoms every adventurer needs in their wardrobe.

Warm is an understatement. The Men's Intraknit Thermal Max Merino Base Layer Bottom uses 100% ZQ-certified Merino wool to help keep you comfortable on every cold-weather outing. Insulating terry loops are seamlessly paired with mesh ventilation to balance warmth and breathability, while knit-in reflective elements enhance visibility in low-light conditions. These are the men's base layer pants that every wardobe needs.

The Men's Intraknit™ Thermal Merino Base Layer 3/4 Bottom are the warm and winter-ready pants you need to perform all season. The Merino Sport yarn combines the power of ZQ-certified Merino wool with the strength and fast dry times of polyester . Featuring seamlessly knit mesh ventilation designed to keep you dry and comfortable and a 3D-mapped design for maximum mobility and durability, these are the men's wool bottoms every adventurer needs in their wardrobe.

Smartwool is printing a pattern on their Men's Merino 150 Print Boxer Briefs— bringing you the ultimate in Merino comfort with a fun, mountain-inspired design. The Core Spun technology beefs up garment durability without sacrificing next-to-skin comfort by wrapping high-quality, super-soft Merino around a nylon core for every thread in the150 fabric. The wide, Merino-lined elastic waistband and flatlock seam construction will help make these boxers your new favorite for any activity—from urban exploration to finding adventure on new trails.

SAXX's 22nd Century Silk is made for luxe-ing up your lower half. Made using an uber-soft silk blend, 22nd Century is the crème de la crème of comfort. Jazz up your everyday wardrobe with this classy collection.

DropTemp™ is lab-tested. No one expected Saxx to show up like this. Not even them. But the test results are in, and hot damn, do they look good. Don’t take our word for it. DropTemp™ is lab-tested. Evaporative cooling experts out of Boennigheim, Germany have set the record straight. When it comes to cooling in underwear and performance apparel, DropTemp™ is on top.

Whether it’s strenuous weight room sessions or casual rec league runs, these training boxer briefs will make an impact. Beef up your gym bag with the very best in sport underwear: boxer briefs for training and workouts.

The Quest boxer briefs are perfect for all your travel adventures. Ready for road-trips, red-eye flights, camping, and more, this low-maintenance underwear for men with a little wanderlust has wash-and-go wearability for all your activities. Quest men’s boxer briefs feature a slim fit and are form fitting for easy layering – perfect for changeable climates. The underwear has a 5 inch inseam and fly built in.

Featuring a Slim Fit - form-fitting through the butt and thighs - treat your package twice as nice with this Sport Mesh 2-Pack. Designed with the male anatomy in mind, each pair comes equipped with the patented BallPark Pouch™ (a 3D hammock that holds everything in place). Great for guys who go between the weight room and boardroom, the BallPark Pouch™ will keep everything in place. Whether you’re running, jumping, or just in the office doing work, you’re going to love what these do for your balls.

Featuring a Slim Fit - form-fitting through the butt and thighs - treat your package twice as nice with this Sport Mesh 2-Pack. Designed with the male anatomy in mind, each pair comes equipped with the patented BallPark Pouch™ (a 3D hammock that holds everything in place). Great for guys who go between the weight room and boardroom, the BallPark Pouch™ will keep everything in place. Whether you’re running, jumping, or just in the office doing work, you’re going to love what these do for your balls.

The Saxx Sport Mesh Boxer Brief features a breathable fine-mesh and lightweight fabric, perfect for a large range of activities from the everyday to the athletic. This fabric gives the right amount of support without feeling too tight. The Sports Mesh is a extra slim boxer brief with a 5-inch inseam, with fly.

The Ultra boxer brief is a Saxx favourite for all the right reasons. It’s made from an ultra-soft blend of viscose with a touch of spandex for enhanced stretch. It also features Saxx combination of a thicker, moisture wicking waistband paired with an ergonomic front pouch that provides just the right amount of support, while also having a fly for convenience. This highly breathable boxer has durable 9-panel construction, comfortable flatlock seams, and comes in a long john style fit, making it perfect for everyday wear.

The Ultra boxer brief is a Saxx favourite for all the right reasons. It’s made from an ultra-soft blend of viscose with a touch of spandex for enhanced stretch. It also features Saxx combination of a thicker, moisture wicking waistband paired with an ergonomic front pouch that provides just the right amount of support, while also having a fly for convenience. This highly breathable boxer has durable 9-panel construction, comfortable flatlock seams, and comes in a long john style fit, making it perfect for everyday wear.

From the Vibe Super Soft Collection. Fuss-free layering is as easy as Vibe. This best-selling style comes in a slim fit, and is cut from a breathable, moisture-wicking fabric that’s so soft you won’t want to take them off. Vibe is available in SAXX's widest range of prints, and features the patented BallPark Pouch™ technology. You'll find a pair to suit whatever vibe you’re feeling.

From the Vibe Super Soft Collection. Fuss-free layering is as easy as Vibe. This best-selling style comes in a slim fit, and is cut from a breathable, moisture-wicking fabric that’s so soft you won’t want to take them off. Vibe is available in SAXX's widest range of prints, and features the patented BallPark Pouch™ technology. You'll find a pair to suit whatever vibe you’re feeling.

From the Vibe Super Soft Collection. Fuss-free layering is as easy as Vibe. This best-selling style comes in a slim fit, and is cut from a breathable, moisture-wicking fabric that’s so soft you won’t want to take them off. Vibe is available in SAXX's widest range of prints, and features the patented BallPark Pouch™ technology. You'll find a pair to suit whatever vibe you’re feeling.

Personality meets performance in this new pair from SAXX Underwear. Cut from a breathable pin-dot mesh, Volt maximizes air-flow when one is active. Designed to reduce friction, Volt comes equipped with the patented BallPark Pouch™ - a 3D hammock-shaped pouch that keeps your man-parts in place.

A classic, all-around polyester baselayer with 100% recycled content. The smooth, soft face makes for easy layering. Hollow-core yarns and a diamond-grid back trap warm air, wick moisture and dry fast. HeiQ® Fresh durable odor control keeps things fresh. Fair Trade Certified™ sewn.

Versatile year-round base layer bottoms made with 100% merino wool and a slim fit, the 175 Everyday Leggings offer premium breathability, odor-resistance and next-to-skin comfort. Perfect layering for Autumn to Spring, hitting the slopes or just in need of some added warmth from an extra layer during the work week.

Versatile year-round base layer bottoms made with 100% merino wool and a slim fit, the 175 Everyday Leggings With Fly offer premium breathability, odor-resistance and next-to-skin comfort.

The benchmark against which all others are judged, the 200 Oasis Shorts feature the most versatile merino jersey fabric for year-round layering performance across any activity.

Icebreaker's best-selling active baselayer bottoms made with their ultra-comfortable 100% merino jersey fabric and an updated design for improved comfort, the 200 Oasis Leggings w/ Fly are the perfect foundation for your everyday cold-weather layering system. The Oasis fabric is not only insulating and highly breathable, but it resists odors during extended use. The slim fit and gusseted construction provide unrestricted freedom of movement, while the brushed elastic waistband and flatlock seams throughout eliminate chafing when you’re on the move.

Introducing ZoneKnit Insulated Leggings: the ultimate combination of cozy comfort and versatile style. With advanced technology, these leggings provide targeted warmth to key areas, ensuring you stay snug in colder climates. Made from premium materials, they offer exceptional softness and flexibility for all-day wear. Dress them up or down for any occasion and embrace winter with confidence. Upgrade your wardrobe with ZoneKnit Insulated Leggings for the perfect blend of warmth and fashion.

A warmer midweight version of Icebreaker's best-selling Oasis Leggings, perfect for frigid days on the trails or the mountain, the updated 260 Tech Leggings w/ Fly feature a 100% merino wool fabric for premium softness, insulation and breathability. These odor-resistant baselayer bottoms also feature a gusseted construction for ample range of motion, and the brushed elastic waistband and flatlock stitching throughout eliminate chafing when you’re on the move.

Heavyweight merino base layer bottoms designed to help regulate temperature during high-intensity activity, the 260 ZoneKnit™ Leggings feature 100% pure and natural merino wool.

Classic boxer briefs made with a stretchy slim fit and their corespun fabric, the Anatomica Boxers are supportive and comfortable for daily life and active pursuits.

The Rho Heavyweight – Arcteryx's warmest base layer pants – is made for cold days and mixed output. On the move, the Polartec® Power Stretch® Pro stretches for outstanding freedom of movement. During rest phases – or when it gets really cold – the fleece’s soft brushed interior traps heat to keep you warm. The fleece’s durable nylon outer has a smooth face for comfort under layers, and a zippered thigh pocket secures small essentials. The Rho Heavyweight Bottom was previously the Rho AR Bottom.

A slim, padded bike boxer brief, designed to cushion under casual clothes or baggies for quick comfort wherever the day takes you. A front cut-away keeps things cool by relieving heat build-up around sensitive areas. This is the new go-to hidden layer suited to getting to work, bikepacking trips, and any ride that ends at a brewery. Stay loose. Stay cool. This is the foundation we build on.