Carhartt Men's 104670 Storm Defender Loose Fit Heavyweight Jacket

In this review of the Carhartt Men's 104670 Storm Defender Loose Fit Heavyweight Jacket, the bottom line is simple: it is built for people who work outdoors and need reliable protection from rain and wind while retaining breathability. The jacket's biggest selling point is the Storm Defender waterproof, breathable technology, which keeps water out but lets sweat escape, making it suitable for layered wear on damp, chilly days. The loose fit lets users add a sweatshirt underneath for warmth without restricting movement, a practical balance for jobsite work or outdoor chores.

Key Features

• Storm Defender waterproof technology: Stops rain from getting in while allowing sweat to escape so the wearer stays drier during physical work.
• 10K/10K waterproof/breathability rating: Offers a balanced, all-day level of protection against light to moderate rain while moving moisture away from the body.
• Fully-taped seams: Prevent water penetration at vulnerable stitch lines for consistent waterproof performance.
• Wind Fighter technology: Reduces the chilling effect of wind, helping maintain warmth when conditions are blustery.
• Mesh-lined body: Improves airflow inside the jacket so layered garments breathe and do not trap sweat.

Who It's For

This jacket is aimed at outdoor workers, landscapers, delivery drivers, and anyone who spends extended time outside in variable weather and needs dependable waterproofing without sacrificing breathability. The loose fit makes it easy to layer over hoodies or mid-layers, so it fits those who require extra insulation on cold job sites.

It is less suited to formal or fashion-focused buyers looking for a slim urban silhouette, and extreme wet-weather users who regularly face torrential downpours or deep exposure to water may want a heavier-duty rain shell with a higher waterproof rating or thicker insulation.

Pros & Cons

Pros

• Durable construction and materials provide long-term wear in work environments.
• Reliable waterproofing with fully-taped seams keeps light to moderate rain out.
• Loose fit allows layering for added warmth and comfortable movement.
• Breathable mesh lining and 10K/10K rating reduce internal moisture buildup during activity.

Cons

• The loose fit may feel bulky for users wanting a trim, streetwear look.
• Not designed for extreme downpours or prolonged immersion where a higher-rated shell would be preferable.

Specifications

Brand	Carhartt
Model	104670 Storm Defender
Fit	Loose fit for layering
Waterproof technology	Storm Defender waterproof, breathable membrane
Waterproof/breathability	10K/10K rating
Seams	Fully-taped waterproof seams
Lining	Mesh lining in body for breathability

Our Verdict

The Carhartt 104670 Storm Defender Loose Fit Heavyweight Jacket is a solid choice for anyone who needs a dependable, breathable rain jacket for work or outdoor tasks. Its combination of waterproofing, taped seams, wind resistance, and room for layering makes it good value for those seeking practical protection and durability rather than fashion-forward styling.

Frequently Asked Questions

Is this jacket fully waterproof?
Yes; it uses Storm Defender technology and fully-taped seams to prevent water ingress in light to moderate rain.

Can you wear a hoodie under it?
Yes; the jacket is cut in a loose fit specifically to allow layering such as a sweatshirt or hoodie underneath.

Is it breathable for active work?
Yes; the 10K/10K rating and mesh-lined body help move sweat away from the skin so it breathes during physical activity.