Men's Base Layers

Stay warm and dry in the harshest conditions with 509’s Active Layering System featuring Cold Armor technology. Pairing 509’s base and mid layers w...

KLIM SIZING CHART Klim Aggressor Pants 1.0 KLIM® - THE LAYERING COMPANYKLIM® engineers a complete array layering solutions for every possible outd...

KLIM SIZING CHART Klim Aggressor Shirt 1.0 KLIM® - THE LAYERING COMPANYKLIM® engineers a complete array layering solutions for every possible outd...

KLIM SIZING CHART We built the Inferno to be one of our most versatile and comfortable pieces that excels at mid-layer performance as well as bein...

KLIM SIZE CHART KLIM Tactical Base Layers are specifically engineered for off-road and dual-sport riders looking for effective low-profile next-to...

KLIM SIZING CHART The Glacier Jacket is a midweight stretch fleece with moisture-wicking technology and heat-trapping collar for added comfort,...

KLIM SIZING CHART Take the ever-popular insulated Override Jacket and remove the sleeves, add in our new eFire system and you get a heated mid-...

KLIM SIZING CHART Add the redesigned second gen Covert GORE-TEX sock to your gear kit and make any pair of boots waterproof. Whether you’re f...

KLIM SIZING CHART The Aggressor -1.0 Long Sleeve provides a level of cooling and comfort never seen before in the powersports industry. KLIM’s seco...

The 509 FZN Base LVL 2 Pant offers mid layer insulation - the secret weapon for warmth and comfort. A comfortable mid layer is built from a polyest...

Stay warm and dry in the harshest conditions with 509’s Active Layering System featuring Cold Armor technology. Pairing 509’s base and mid layers w...

KLIM SIZING CHART Klim Aggressor Pants 3.0 KLIM® - THE LAYERING COMPANYKLIM® engineers a complete array layering solutions for every possible outd...

KLIM SIZING CHART Klim Aggressor Shirt 2.0 KLIM® - THE LAYERING COMPANYKLIM® engineers a complete array layering solutions for every possible outd...

KLIM SIZING CHART Klim Aggressor Shirt 3.0 KLIM® - THE LAYERING COMPANYKLIM® engineers a complete array layering solutions for every possible outd...

KLIM SIZING CHART The Inferno Jogger Pant is one of the most comfortable mid layer pants on the snow, boasting warm, soft fleece fabric and practi...

KLIM SIZING CHART It sounds bold, but this might be the most comfortable shirt you’ll ever wear. The redesigned Teton Merino Wool ¼ Zip retains the...

KLIM SIZING CHART Prepare to experience unparalleled warmth and freedom of movement in any condition with the innovative Aggressor One-Piece 2.0 “E...

KLIM SIZING CHART The heavyweight polyester double-faced fleece Teton Crest Fleece Jacket was designed to ensure heat-trapping comfort for chilly d...

The next evolution of our the 509 Syn Down Ignite Jacket is here to change the game, now with smart clim8® technology and seamless detection activa...