Z-Flex is the Most Protective & Durable Aluminization Available

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A lightweight, lined proximity suit for industrial applications

The X20 Lightweight Proximity Suit is designed to protect from radiant heat and minor molten metal splash. The X20 is fabricated with a Z-Flex® Multilayer Aluminized outer shell and is available with your choice of a standard flame retardant cotton liner for lightweight breath-ability or an upgraded neoprene liner for added protection from hot steam, gas, and vapor. All X Series suits are designed to be worn over standard industrial work wear. It is important for users to wear long-sleeve shirts and pants made with non-flammable fibers.

This suit can be used in a wide range of industries including foundries, petrochemical plants, processing facilities, and other environments where workers are exposed to extreme temperatures.

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Product Image for Item #2100319

X20 Lightweight Proximity (Neoprene)

  • Item: 2100319
  • Weight: 13.00 lbs6 kgs
  • Size: Small - 2XL
  • Style: X20
  • Radiant Temp: 3000 °F1650 °C
Product Image for Item #2100315

X20 Lightweight Proximity (FR Cotton)

  • Item: 2100315
  • Weight: 13.00 lbs6 kgs
  • Size: Small - 2XL
  • Style: X20
  • Radiant Temp: 3000 °F1650 °C

2 Options for Suit Construction

  • Standard: Z-Flex A-601 aluminized shell with an FR cotton liner
  • Upgraded: Z-Flex A-601 aluminized shell with a Neoprene liner for steam protection

Testing & Certification

The suit lay-up meets the ISO 11612 Standard

The Z-Flex® shell meets or exceeds the following:
  • Radiant Heat: ISO 6942 / EN 366 / ASTM F1939
  • Convective Heat: ISO 9151 / EN 367
  • Limited Flame Spread: ISO 15025 / EN 532
  • Molten Metal: ISO 9185 / EN 348 / ASTM F955
  • Abrasion Tear Resistance: ISO 13937 / EN 388


  • The X20 suit is available in sizes Small, Medium, Large, and X-Large.
  • 2XL and custom sizes are available for an additional charge.
  • See our Sizing Chart for more information.


  • The total weight of the jacket and pants is approximately 7 lbs (3.2 kg).
  • The total weight of the entire ensemble (jacket, pants, hood, gloves, and boot covers) is approximately 13 lbs (5.9 kg).

Suit Features

  • Narrow collar
  • Set-in sleeves
  • Orange piping at cuffs and collar
  • Optional: Pouch for SCBA
  • Sewn-in suspenders
  • Dome style hood
  • Hard cap with ratchet adjustment*
  • Full shoulder length drape with elasticized underarm straps
  • Rounded bib for improved range of motion
  • Polycarbonate lens with a gold film
  • Two wing locks hold the lens and retainer securely in place
  • Gauntlet style aluminized gloves
  • Leather palm for grip and dexterity
  • Fleece lining in fingers for additional insulation
  • 14 inches in length (36 cm) 
Boots Covers
  • Velcro straps secure boot covers behind work boots
  • Designed to be worn over work boots
Also Included
  • Ballistic nylon duffle bag for storage
*Hard cap meets ANSI-Z89.1-2009 impact resistance tests