FZN LVL1 Party Suit

The 509 FZN LVL 1 Party Suit is a one-piece base layer that helps block drafts and snow gaps beneath a mono suit or jacket-and-pant setup. Its hard-faced polyester exterior and brushed fleece interior provide warmth, while long zippers and a near-360-degree rear opening simplify dressing and comfort breaks.

Key features

• One-piece Level 1 base layer
• Hard-faced polyester outer surface
• Warm brushed-fleece interior
• Near-360-degree rear zipper opening
• Extra-long front zipper for dressing and ventilation
• Elastic waist keeps the suit positioned
• Articulated thumbholes
• Optional stirrups
• Zippered chest pocket

Why choose this product?

A practical one-piece base layer when you want continuous coverage beneath outerwear and easier access than a traditional one-piece underlayer.