Patagonia Nano-Air Light Vest - Blue - XS

The Full Range™ insulation is designed to actively manage heat. It releases excess warmth when you are exerting yourself and retains warmth when you are at rest, providing dynamic temperature regulation.

The Nano-Air® Light Vest is a lightweight, breathable piece. While it offers warmth, it is best suited for milder conditions or as a layering component in colder weather. For extreme cold, a heavier insulated jacket is recommended.

Machine wash cold with a mild detergent, using a front-loading machine. Close all zippers and closures before washing. Tumble dry on low heat. Avoid bleach and fabric softeners.

Unisex means the vest is designed to fit both men and women. It's recommended to consult a sizing chart to determine the best fit based on your body measurements, as unisex sizing may differ from gender-specific sizing.

The vest is made of polyester and likely has a Durable Water Repellent (DWR) finish. It can handle light mist or drizzle, but it is not waterproof. For significant rain, a waterproof outer shell is necessary.

The Nano-Air® Light Vest is specifically engineered for high-output activities, focusing on exceptional breathability and heat management. Traditional insulated vests may prioritize maximum warmth retention over breathability, making them less ideal for aerobic pursuits.

This specific product variant is in Smoulder Blue and size XS. Other sizes (Small to XLarge) and colors may be available depending on the retailer's stock.

Ensure all zippers are open to maximize ventilation. The vest is designed to breathe; if still too warm, consider removing it or layering with a less insulating item.

This is a lightweight vest. For static or very cold conditions, layer it over or under a warmer insulating piece, or wear a more robust jacket.

Gently try to work the zipper back and forth. Ensure no fabric is caught in the track. A small amount of zipper lubricant or wax can be applied if needed.

Wash the vest according to care instructions and tumble dry on low heat, which can help reactivate DWR (Durable Water Repellent) finishes. For persistent issues, consider a re-application of a DWR treatment designed for synthetic fabrics.