The APEX Puffer Guide

What Is Fill Power?

Fill power is the measurement of down insulation’s loft, warmth, and quality. The higher the fill power, the more efficiently the down traps air and retains heat without adding extra weight. This means jackets with higher fill power are lighter, warmer, and more compressible for easy packing.

All pieces in our Apex Collection are crafted with premium down achieving 700+ fill power, delivering exceptional warmth-to-weight performance for superior comfort in any condition.

Responsible Down Standard (RDS)

All AlphaStyle down products are certified to the Responsible Down Standard (RDS). This ensures that every feather and cluster in our gear comes from ducks and geese that have been treated with respect—never subjected to live-plucking or force-feeding. RDS certification also guarantees full traceability, so you know the down inside your jacket has been sourced responsibly from farm to final product.

Warmth Rating

The Apex Collection is engineered for extreme conditions, combining lightweight design with powerful insulation. Most of our puffers in this collection are built to withstand temperatures as low as -20°C, keeping you protected and comfortable in severe cold without adding unnecessary bulk.

Knitted Stormcuff

The Apex Collection is equipped with premium knitted stormcuffs, designed to seal out wind, snow, and cold air. This snug, flexible cuff construction provides an extra layer around the wrists - one of the most exposed areas in extreme conditions.

Cozy Brushed Hand Pockets

Every piece in the Apex Collection features cozy brushed hand pockets, lined with a soft and brushed fabric that adds extra warmth and comfort. Perfect for cold days when gloves aren’t enough, these pockets keep your hands shielded from the chill while maintaining a plush, inviting feel.

Double Pocket Design

Some of the styles built with a double pocket feature that combines utility and comfort. It includes a flap pocket for secure storage of essentials, paired with a side-entry hand pocket for quick access and warmth on the go.

Inside Back Straps

The inside back straps allowing you to wear your puffer like a backpack when you step indoors or the weather warms up. This hands-free design keeps your jacket with you at all times without the need to carry it, blending technical utility with everyday convenience.

Interior Smartphone Pocket

The Apex Collection includes an interior smartphone pocket with a clear touch-sensitive window, allowing you to swipe, control, and use your phone without ever taking it out of your jacket.

Signature Sleeve Pocket

Designed for both style and utility. Featuring a zippered pocket for secure storage, dedicated pen slots for easy organization, and finished with a metal AlphaStyle logo patch, it’s a statement detail that blends function with bold identity.