GIISAM Mens Windproof Waterproof Mountain Sport Jacket - Lightweight

In this review of the GIISAM Mens Windproof Jacket waterproof performance and packability stand out as its biggest selling points for outdoorsmen and travelers. Built from a professional polyester fiber with a TPU coating, this jacket keeps out moisture and blocks wind while remaining light enough to fold into a backpack or pants pocket. The breathable mesh lining controls sweat on active days, and the detachable hood and adjustable cuffs add useful adaptability for changing conditions, making it a practical choice for year-round outdoor use.

Key Features

• Waterproof TPU coating: The professional-grade TPU layer prevents water penetration so the jacket sheds light to moderate rain during hikes or commutes.
• Windproof polyester shell: The outer fiber blocks wind effectively, helping maintain warmth in blustery conditions without heavy insulation.
• Lightweight construction: The jacket folds small and stows in a bag or pocket, making it convenient for travel and unexpected weather.
• Breathable mesh lining: The inner mesh wicks sweat away during activity so the wearer stays drier and more comfortable on long outings.
• Multiple secure pockets: Chest and side pockets include sealed or occlusion designs that keep essentials like phone and keys protected from moisture.
• Adjustable hood and cuffs: A detachable hood with stretch straps and cuff adjustments allow a closer fit to resist wind and varying conditions.

Who It's For

This jacket suits hikers, daypack travelers, cyclists and anyone who needs a compact, weather-resistant layer for variable conditions. Its light weight and packability are ideal for multi-day treks where shedding or adding a shell quickly matters most.

Those who want heavy insulation, technical mountaineering features, or a fully reinforced zipper assembly for years of hard use should look elsewhere; several buyers reported mixed experiences with zipper durability, so users planning extremely rugged, daily wear or heavy abrasion environments may prefer a tougher hardware setup.

Pros & Cons

Pros

• Effective waterproof and windproof outer materials keep out rain and wind in typical outdoor conditions.
• Very lightweight and compressible, it packs down to a small size for travel and day trips.
• Mesh lining improves breathability during active use, reducing clamminess during hikes.
• Detachable hood and multiple secure pockets add practical versatility for everyday carry.

Cons

• Zipper quality has received mixed feedback from customers, and may be a weak point over long-term heavy use.
• Durability can vary: some buyers praised its rip resistance, while others reported tearing under strain.

Specifications

Brand	GIISAM
Material	Polyester fiber with professional-grade TPU coating
Lining	Lightweight breathable mesh
Hood	Detachable with stretch straps
Pockets	Seal tape chest pocket plus two occlusion waterproof side pockets
Adjustability	Adjustable cuffs and hood straps
Use cases	Travel, hiking, sailing, fishing, camping, cycling, daily wear

Our Verdict

The GIISAM Mens Windproof Jacket is a solid value for anyone who needs a lightweight, packable shell that blocks rain and wind for everyday outdoor use. It excels at breathability and convenience, and while hardware like the zipper and long-term abrasion resistance show mixed reports, the overall combination of features makes it a good buy for travelers and weekend adventurers seeking a versatile, space-saving raincoat.

Frequently Asked Questions

Is this jacket truly waterproof?
The TPU coating and sealed chest pocket help repel water for light to moderate rain, though it is best used as a rain shell rather than for extended immersion.

Can it be packed into a small bag or pocket?
Yes, the jacket is lightweight and compresses small enough to fit into a backpack or a pants pocket for travel and day hikes.

Is the hood removable?
Yes, the hood is detachable and features stretch straps to adjust fit for different conditions.