Men's Vest 4F M344 Navy Blue 4FWSS26TVJAM344 31S M

Commuting to work on a brisk spring morning or layering up for a weekend hike, this men's vest from 4F keeps your core warm while allowing full freedom of movement. The navy blue M344 model in size M is a versatile mid‑layer that pairs equally well with a casual hoodie or a technical base layer.

Key specifications

• Outer material: 100% polyester with water‑repellent DWR finish
• Lining: 100% polyester for smooth layering
• Filling: 100% polyester synthetic down insulation
• Closure: full‑length front zipper with stand‑up collar
• Pockets: 2 zippered side pockets
• Hem: elasticated for a snug fit
• Fit: regular, designed for layering
• Features: windproof, all‑season versatility
• Brand logo on chest

Why choose it

The 4F M344 vest delivers dependable warmth without bulk. Its synthetic down filling retains insulating properties even in damp conditions, while the DWR‑treated shell sheds light rain and blocks chilly winds. The stand‑up collar and elasticated hem seal in heat, and the two zippered pockets keep essentials secure. Whether you are cycling across town or strolling through the park, this vest offers a clean, athletic look that transitions effortlessly from outdoor activity to everyday wear.

Ideal use cases

• Layering under a shell jacket for cold‑weather hikes
• Casual everyday wear during spring and autumn
• Light outdoor activities like walking, commuting, or travel
• Adding core warmth without restricting arm movement

Good to know

This vest is part of the 4F SS26 collection and is designed for men who value functional, minimalist style. The regular fit accommodates a base layer or thin sweater, and the all‑season construction makes it a smart addition to any wardrobe. Care instructions: machine wash cold, do not tumble dry, do not iron.