Non restrictive waistband stays in place during bending

Meet the Beneunder Half-Zip Fleece Base Layer engineered for versatile warmth, stretch, and everyday comfort. Available in two warmth levels, it adapts to different climates and layering needs. Crafted with double-brushed fleece, it provides a soft, breathable feel while boosting insulation and heat retention. With 360 stretch and moisture-wicking fibers, it moves with your body and keeps you fresh on the trail or in town. Lightweight and slim-fit, its perfect as a standalone top or a layering essential.

• Mid Warmth (5C15C): Retains heat by 37.8%, with a 2.1C warmth boost. Weighs ~225g, slim and lightweight for mild-cold weather.
• High Warmth (-5C5C): Retains heat by 44.1%, with a 3.9C warmth boost. Weighs ~250g, denser fleece for colder conditions.

Highlights:

• Double-brushed fleece traps heat for a 2.1C to 3.9C warmth boost
• Hollow-core fibers enhance insulation: 37.8% (Mid Warmth) | 44.1% (High Warmth)
• 360 stretch with 244% expansion unrestricted movement
• Moisture-wicking fibers absorb instantly (521% absorption, 279.6mm/s breathability)
• Lightweight & slim fit: ~225g Mid Warmth / ~250g High Warmth

Geometric quilting optimizes warmth to weight ratio