Smartwool Base layers

Find Clothing from Smartwool for fitness

Elevate your training and unlock your peak fitness potential with Smartwool, the pioneering brand that harnesses the power of nature for unparalleled performance. At Traininn, we understand that the foundation of any successful workout is the gear that works with your body, not against it. That’s why we proudly feature Smartwool, especially their revolutionary collection of fitness base layers, designed to be the ultimate first layer for every athlete.

Forget what you thought you knew about wool. Smartwool transforms high-performance Merino wool into an intelligent, dynamic fabric perfect for the demands of any fitness regimen. The secret lies in the core of your athletic apparel system: the base layer. A Smartwool base layer is more than just a piece of clothing; it´s your personal climate control system. Whether you´re powering through a high-intensity interval session at the gym, embarking on a cold-weather run, or engaging in outdoor training, these garments are engineered to optimize your comfort and enhance your performance.

The magic of a Smartwool base layer begins with its exceptional moisture management. As you start to sweat, the Merino wool fibers actively pull moisture vapor away from your skin before it can turn into chilling liquid sweat. This keeps you remarkably dry, comfortable, and focused, preventing the clammy, cold feeling often associated with synthetic fabrics. This superior breathability ensures that excess heat can escape as your intensity rises, helping you maintain an ideal body temperature from your warm-up to your cool-down.

Experience true all-season versatility. For cooler conditions, the natural crimp in the wool fibers traps air, creating a micro-climate of warmth next to your skin without the bulk. In warmer environments or during intense indoor workouts, the same fabric works to keep you cool and comfortable. This incredible thermoregulation means you can rely on a single Smartwool base layer—be it a long-sleeve crew top or a pair of performance leggings—across a wide range of temperatures and activities.

One of the most celebrated benefits for any athlete is Merino wool´s natural resistance to odor. The fibers inherently inhibit the growth of odor-causing bacteria, meaning your gear stays fresher for far longer. This allows for multi-day use on training trips or simply gives you the confidence to go from the gym to the rest of your day without worry.

Comfort is paramount when a garment is worn next to the skin. Smartwool uses ultra-fine Merino fibers that are incredibly soft and guaranteed non-itch. Combined with athletic-focused designs, chafe-free flatlock seams, and body-mapped fits that allow for complete and unrestricted freedom of movement, you’ll barely notice you´re wearing it. Every squat, lunge, and stride is supported, not hindered.

Explore our curated selection of Smartwool fitness base layers at Traininn and discover the foundation for your best performance yet. Choose your ideal weight and style to build a layering system that adapts to you and your workout. It’s time to experience the difference that intelligent, natural performance wear can make

Smartwool Base layers

Smartwool Brief boxers

Smartwool Merino Brief boxers

Smartwool Merino 250 base layer pants

Smartwool Brief boxers

Smartwool Merino 250 long sleeve base layer

Smartwool Merino 250 base layer pants

Smartwool Classic All-Season Merino long sleeve base layer

Smartwool Merino Brief boxers

Smartwool Merino 250 base layer pants

Smartwool Merino 250 3/4 base layer pants

Smartwool Merino Brief boxers

Smartwool Merino 250 Base Layer base layer pants

Smartwool Classic Thermal Merino long sleeve base layer

Smartwool Classic Thermal Merino long sleeve base layer

Smartwool Everyday Merino Thong panties

Smartwool Classic Thermal Merino long sleeve base layer

Smartwool Intraknit Merino 200 Crew long sleeve base layer

Smartwool Merino Print Brief boxers

Smartwool Brief boxers

Smartwool Brief boxers

Smartwool Classic Thermal Merino long sleeve base layer

Smartwool Classic Thermal Merino long sleeve base layer

Smartwool Intraknit Thermal Merino Crew long sleeve base layer

Smartwool Merino 250 base layer pants

Smartwool Intraknit Thermal Merino Base Layer base layer pants

Smartwool Everyday Merino boxers

Smartwool Merino boxers

Smartwool Merino Brief boxers

Smartwool Merino Bikini panties

Smartwool Classic Thermal Merino long sleeve base layer

Smartwool Merino 250 base layer pants

Smartwool Merino 250 Base Layer Pattern Crew long sleeve base layer

Smartwool Intraknit Thermal Merino long sleeve base layer

Smartwool Intraknit Bikini panties

Smartwool Active Boxed boxers

Smartwool Intraknit Merino 200 Crew long sleeve base layer

Smartwool Everyday Merino Bikini panties

Smartwool Classic Thermal Merino long sleeve base layer

Smartwool Merino Bikini panties

Smartwool Merino Bikini panties

Smartwool Merino 250 Boxed base layer pants

Smartwool Classic Thermal Merino long sleeve base layer

Smartwool Classic Thermal Merino long sleeve base layer

Smartwool Classic Thermal Merino long sleeve base layer

Smartwool Intraknit Hipster panties

Smartwool Classic Thermal Merino long sleeve base layer

Smartwool Classic All-Season Merino long sleeve base layer

Smartwool Classic Thermal Merino long sleeve base layer

Smartwool Classic Thermal Merino base layer pants

Smartwool Classic Thermal Merino long sleeve base layer

Smartwool Classic All-Season Merino long sleeve base layer

Smartwool Intraknit Bikini panties

Smartwool Classic All-Season Merino long sleeve base layer

Smartwool Classic Thermal Merino long sleeve base layer

Smartwool Intraknit Thermal Merino Crew long sleeve base layer

Smartwool Merino Print Boxed boxers

Smartwool Classic Thermal Merino base layer pants

Smartwool Merino 250 Boxed base layer pants

Smartwool Classic Thermal Merino Colorblock Crew long sleeve base layer

Smartwool Intraknit Thermal Merino Crew long sleeve base layer

Smartwool Classic All-Season Merino long sleeve base layer

Smartwool Classic Thermal Merino long sleeve base layer

Smartwool Everyday Merino Bikini panties

Smartwool Classic All Season Merino Boxed long sleeve base layer

Smartwool Classic All Season Merino Crew Boxed Plus long sleeve base layer

Smartwool Classic Thermal Merino base layer pants

Smartwool Classic Thermal Merino long sleeve base layer

Smartwool Classic Thermal Merino long sleeve base layer

Smartwool Classic Thermal Merino long sleeve base layer

Smartwool Classic Thermal Merino Plus long sleeve base layer

Smartwool Intraknit Thermal Merino Crew long sleeve base layer

Smartwool Intraknit Thermal Merino Crew long sleeve base layer

Smartwool Classic Thermal Merino long sleeve base layer

Smartwool Intraknit Merino 200 Crew long sleeve base layer

Smartwool Classic Thermal Merino long sleeve base layer

Smartwool Classic Thermal Merino long sleeve base layer

Smartwool Intraknit Thermal Merino Crew long sleeve base layer

Smartwool Intraknit Hipster Boxed panties

Smartwool Classic Thermal Merino long sleeve base layer