K1 Racegear SFI & FIA Flex Underpants

$145.00

The K1 FLEX Tech Series is constructed with a quality blend of 100% Nomex (fire-retardant) and natural viscose (from trees) fibers (soft and lightweight.) This innovative material offers superior flame resistance, increased protection against heat transfer yet soft and lightweight for a comfortable fit. Form fitting and sewn with minimal number of flat seams.

SIZE CHART UNDERWEAR GUIDE

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The K1 FLEX Tech Series is constructed with a quality blend of 100% Nomex (fire-retardant) and natural viscose (from trees) fibers (soft and lightweight.) This innovative material offers superior flame resistance, increased protection against heat transfer yet soft and lightweight for a comfortable fit. Form fitting and sewn with minimal number of flat seams.

SIZE CHART UNDERWEAR GUIDE

The K1 FLEX Tech Series is constructed with a quality blend of 100% Nomex (fire-retardant) and natural viscose (from trees) fibers (soft and lightweight.) This innovative material offers superior flame resistance, increased protection against heat transfer yet soft and lightweight for a comfortable fit. Form fitting and sewn with minimal number of flat seams.

SIZE CHART UNDERWEAR GUIDE

  • Lightweight - 180 g/m²

    Fabric - 50% Nomex, 50% innovative viscose fibers for flame resistance & thermal insulation

    Exceeds - SFI 3.3/5 and FIA 8856 homologation

    Minimal flat stitched seam construction

    Non-chemical dry treatment to promote cooling and combat odor

    High level of elasticity and softness

    Available in men's sizes Small - 2XL

  • 26-FUB

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