Buff Thermonet® Beldar Adult

Serious warmth for cold, high-output days

When the temperature drops but the pace stays high, the BUFF® ThermoNet® Beldar Adult keeps you warm without slowing you down. Made with PrimaLoft® ThermoNet® technology, it delivers four times the insulation of standard microfiber while remaining lightweight, breathable, and low-bulk. The result? A high-performance essential that handles sweat, snow, and wind in stride.

Crafted from recycled REPREVE® polyester yarns, this multifunctional piece offers 12+ ways to wear—from neck gaiter to balaclava to headband—making it ideal for layering under helmets or pairing with goggles. Quick-drying and moisture-wicking, it’s built for alpine touring, skiing, and any cold-weather adventure where performance meets responsibility.

IDEAL FOR

• Skiing, snowboarding, and mountaineering
• Winter running and hiking
• Cold-weather layering and travel

Key Features

• PrimaLoft® ThermoNet® insulation for four times the warmth of microfiber
• Breathable, moisture-wicking, and quick-drying performance
• 4-way stretch and seamless comfort for 12+ wear styles
• Lightweight, low-bulk design ideal under helmets or hoods
• Made from recycled REPREVE® yarns for a sustainable finish

PRODUCT SPECS

• Fabric: 53% Recycled Polyester (REPREVE®), 43% Polyester, 4% Elastane
• Fit: One size fits most adults
• Performance: Lightweight warmth, breathable, moisture-wicking, quick-drying
• Features: Seamless 4-way stretch construction, multifunctional wear, odor control
• Sustainability: Made from recycled plastic bottles, PFC-free, bluesign® approved
• Imported