Extender Panel

The ThermApparel Extender Panel is perfect if you’re between vest sizes or want a little extra breathing room. It attaches to the front panel of your cooling vest with a simple hook‑and‑loop closure, adding up to 2 inches of extra adjustability for a more comfortable, secure fit. Choose black or white so your extender blends in with your existing ThermApparel gear.

• Adds up to 2 inches of extra room for your cooling vest
• Ideal if you’re between sizes or your measurements are changing
• Attaches to the front panel with hook‑and‑loop for easy on/off
• Helps keep your vest snug, stable, and comfortable
• Available in black or white to match your vest