The mesh cold weather base layer (MCWBL) is similar to the flame resistant lightweight cold weather underwear set except the fabrics and design have been modified to improve moisture regulation and thermal performance in an extreme cold weather environment.

Components

• Undershirt
• Drawers

Material

Material for the mesh base layer must be:

• an open, net-like, knit construction
• moisture wicking and quick drying
• inherently antimicrobial or antimicrobial treated
• no melt or drip
• lightweight, durable and exhibit stretch and recovery properties.

Acquisition

• SPE1C1-25-R-0051: https://sam.gov/opp/0271a48dc22e4d5082a1125b50db23d1/view
• Market research: https://sam.gov/opp/467ef0d3d314474482c65251915e3a84/view
• M67854-21-R-1878: https://sam.gov/opp/4b95a879e6ce4b8fafda6b7368b44214/view
• RFI M67854-21-I-1854: https://sam.gov/opp/b990a058b86d4154a83ed0fa12ccfbcb/view
• RFI M67854-20-I-1724: https://sam.gov/opp/668b5fdc3355469ba36102ff05e0eac9/view