Men's Base Layers

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

FXR SIZING CHART 180gsm brushed microfleece maximizes warmth Polyester / spandex blend offers premium comfort Synthetic yarns repel water and dri...

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...

FXR SIZING CHART 180gsm brushed microfleece maximizes warmth  Polyester/spandex blend offers premium comfort  Synthetic yarns repel water and drie...

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 Lightweight 180gsm knit  Antibacterial and anti-static pr...

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