K1 RaceGear Flex Underpants
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The NEW K1 FLEX Tech Layers are constructed of the highest quality blend of 100% Nomex and natural viscose fibers. This innovative material construction offers not only superior flame resistance and protection against heat transfer, but is the ultimate choice for soft, lightweight comfortable underwear. Designed and tested specifically by top pros in Rally Cross, WEC and other endurance challenge series, the K1 FLEX Tech Layers are quickly becoming the top choice of racing underwear throughout all forms of racing.
- 180 g/m² Super Lightweight Material
- 50% Nomex, 50% innovative viscose fibers for ultimate in weight savings, flame resistance & thermal insulation to combat heat stress and fatigue
- Exceeds both SFI 3.3/5 and FIA 8856 homologation standards
- Minimal flat stitched seams with specialized flame resistant thread for added comfort
- Special non-chemical dry treatment to promote cooling and combat odor
- Highest level of elasticity and softness
- Available in men's sizes Small - 2XL