Men's Base Layers

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

Slide on a new level of luxury, because the 509 FZN Merino 180 Boxer Shorts have been made with a stretchy Merino/spandex blend for all-day comfort...

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 being...

FXR SIZING CHART 260gsm polyester bonded fleece with DWR finish ¾ elastic waist with drawcord Side slash pockets Back welt pocket with snap Embroi...

FXR SIZING CHART 200gsm 90% polyester/10% spandex knit with brushed interior Moisture-wicking and anti-microbial finish Flat-lock seaming for supe...

FXR SIZING CHART 200gsm 90% polyester/10% spandex knit with brushed interior Moisture-wicking and anti-microbial finish Flat-lock seaming for supe...

KLIM SIZING CHART Klim Aggressor Pants 2.0 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 The redesigned Inferno Pant is still the most comfortable mid layer pant on the snow, boasting new softer fleece fabric and more...

MID LAYER INSULATION, THE SECRET WEAPON FOR WARMTH & COMFORT FZN Stands for Five Zero Nine, not Frozen. And the 509 FZN Merino base layer colle...

FXR SIZING CHART 80% merino content provides maximum warmth when wet  Lightweight 180gsm premium knit  Superior antibacterial and anti-odor proper...

FXR SIZING CHART 20% merino / 80% performance polyester content improves warmth when wet  Midweight 300gsm knit  Antibacterial and anti-static pro...

FXR SIZING CHART 20% merino / 80% performance polyester content improves warmth when wet Midweight 300gsm knit  Antibacterial and anti-static prop...

FXR SIZING CHART 20% merino / 80% performance polyester content improves warmth when wet  Midweight 300gsm knit  Antibacterial and anti-static pro...

FXR SIZING CHART 20% merino / 80% performance polyester content improves warmth when wet  Lightweight 180gsm knit  Antibacterial and anti-static p...

FXR SIZING CHART Strategic zonal fabric placement to maximize warmth and breathability  300gsm heavy-weight 20% merino in front and sleeves   140g...

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