BasePro 1/4 Size:Small or puffy mid-layers

or puffy mid-layers

Body: 500 AERIS™ 1/5” rated to 35F to 60F Insulation for maximum core warmth

Brushed polyester/spandex performance knit

Outside Chest Zip Pocket – Secure storage for essentials

Arms: Patented USA-made 250 AERIS™ Insulation for mobility and comfort

BasePro 1/4 Size:Small or puffy mid-layersThe BasePro 1 4 Zip brings precision temperature control to your cold weather layering system. Engineered with AERIS 250 insulated, 4 way stretch fabric, this piece regulates core warmth while allowing full freedom of movement. The 1 4 zip adds easy venting for high output activities or changing conditions. Moisture wicking and antimicrobial, it keeps you dry, warm, and fresh even in tough environments. Replaces 24 traditional layers Ditch the bulk