Sun Hoodies
Ultralight sun hoodies made with breathable fabrics that keep air moving and heat down. Built for hiking, trail running, and any warm weather adventure where staying cool matters.
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Which KETL Sun Hoodie Should You Choose?
Featherweight grid knit poly
Featherweight grid knit poly
Merino wool/tencel blend
Hot weather and high output
Every day sun protection
Travel and multi-day wear in the sun
Maximum airflow
Snap closure keeps hood secure
Natural odor resistance
UPF30+
UPF30+
UPF30+
✓
✓
✓
Men’s Sun Hoodies for Hiking, Running & Hot Weather
KETL Mountain Apparel Sun Hoodies are built for long days outside. Lightweight fabrics, breathable construction, and reliable UPF 30+ sun protection keep you comfortable whether you are hiking mountain trails, trail running dusty singletrack, fishing alpine lakes, or traveling somewhere warm. Designed with ultralight materials and thoughtful details, these hoodies help you stay cool, protected, and moving when the sun is high.
Check out our top picks:
NoFry Vent Sun Hoodie - Our most breathable sun hoodie built for maximum airflow during hot weather adventures. Four chest snaps allow you to open up ventilation when the heat rises, while the featherweight fabric keeps you cool during trail runs, long hikes, and high output days outside.
NoFry Standard Sun Hoodie - The cleanest and most minimal sun hoodie in the lineup. Built with the same ultralight breathable fabric but without the chest snaps, it offers streamlined comfort for hiking, travel, fishing, and everyday sun protection.
Lost Boys Merino Sun Hoodie - Part of our Venture Far Series, the Lost Boys combines premium merino wool performance with lightweight sun protection. Naturally odor resistant and temperature regulating, it is a great option for travel, backpacking, and multi day adventures when comfort and versatility matter most.
Sun Hoodie FAQ's
What is the difference between the NoFry Vent and NoFry Standard Sun Hoodie?
Both hoodies use the same lightweight 79gsm fabric with UPF 30+ sun protection. The NoFry Vent includes four chest snaps for adjustable ventilation, while the NoFry Standard removes the snaps for a cleaner and more minimal design.
Do sun hoodies actually block UV rays?
Yes. Sun hoodies are designed with fabrics that provide a UPF rating, which measures how effectively the fabric blocks ultraviolet radiation. A UPF 30 sun hoodie blocks at least 96 percent of harmful UV rays, helping protect your skin during long days outside.
Are sun hoodies cooler than wearing a t shirt?
Often they are. Lightweight sun hoodies use breathable fabrics that allow airflow while blocking direct sunlight from hitting your skin. By shading your arms, shoulders, and neck, they can actually help keep you cooler than a standard t shirt during long days in the sun.
What makes a sun hoodie breathable?
Breathability comes from lightweight fabrics, open knit structures, and moisture wicking performance. Fabrics like the ultralight grid knit used in the KETL NoFry Sun Hoodies allow air to move through the material while still providing reliable UPF 30+ sun protection.
What is the best sun hoodie for hiking and trail running?
High output activities like hiking and trail running benefit from lightweight breathable sun hoodies. Options like the KETL NoFry Vent Sun Hoodie prioritize airflow and ventilation to keep you cool during long efforts in warm conditions.
Are merino sun hoodies good for hot weather?
Yes. Merino wool naturally regulates temperature and breathes well in warm conditions. The Lost Boys Merino Sun Hoodie uses a merino blend that stays comfortable across a wide range of temperatures while also resisting odor during multi day adventures.