Leon Men's Active Jacket
Leon Men's Active Jacket

Fuze Technology
Moisture Wicking

4-Way Stretch
Antimicrobial
UV Protection
Odor Control
Quick Drying

Fuze Technology
Moisture Wicking

4-Way Stretch
Antimicrobial
UV Protection
Odor Control
Quick Drying
Product ID: SEIM012512
Description
Description
Leon Men’s Active Jacket
The Leon Men's Active Jacket is crafted for loungewear and comfort. Designed with recycled fibers, it’s perfect to wear to workouts, from workouts, or as everyday wear.
Fuze® Technology – Made for people and the planet
FUZE is a sustainable surfaces and textile treatment technology. With FUZE, you don't have to choose between the environment and benefits that improve your life like antimicrobial, odor control, cooling, hyper-evaporation, or UV/UVB protection. Love them both, with FUZE and Seissense.
Recommendation
For both indoor and outdoor activities. Ideal as a gym jacket and suitable for all workouts.
Product Features
-
Two side pockets with an internal slip pocket lined in Bella mesh
-
Reflective arm strip on either side featuring our logo
-
Marrow stitching for a premium look and feel
-
Bespoke zipper pull with logo
-
Watch zipper opening with reflective tape
-
Recycled Fibers: Eco-friendly and sustainable materials
-
Elevated thumbholes — when not in use, sleeves maintain a clean and premium look
-
Breathable fabric
Size & Fit
True to size. Slim fit. Fabric has some stretch. Check our size guide.
Materials / Care
Materials / Care
Shipping & Returns
Shipping & Returns
Free Standard Shipping
Delivered with care, on us. Enjoy free shipping on orders over £50. For more information, visit Shipping & Delivery.
Free Returns
We want you to love what you wear. If not, returns are on us. (Some exclusions apply — see our returns policy for full details.)
Get the look

Leon Men's Active Jacket
Leon Men's Active Jacket
Couldn't load pickup availability

Fuze Technology
Moisture Wicking

4-Way Stretch
Antimicrobial
UV Protection
Odor Control
Quick Drying

Fuze Technology
Moisture Wicking

4-Way Stretch
Antimicrobial
UV Protection
Odor Control
Quick Drying
Product ID: SEIM012512
Description
Description
Leon Men’s Active Jacket
The Leon Men's Active Jacket is crafted for loungewear and comfort. Designed with recycled fibers, it’s perfect to wear to workouts, from workouts, or as everyday wear.
Fuze® Technology – Made for people and the planet
FUZE is a sustainable surfaces and textile treatment technology. With FUZE, you don't have to choose between the environment and benefits that improve your life like antimicrobial, odor control, cooling, hyper-evaporation, or UV/UVB protection. Love them both, with FUZE and Seissense.
Recommendation
For both indoor and outdoor activities. Ideal as a gym jacket and suitable for all workouts.
Product Features
-
Two side pockets with an internal slip pocket lined in Bella mesh
-
Reflective arm strip on either side featuring our logo
-
Marrow stitching for a premium look and feel
-
Bespoke zipper pull with logo
-
Watch zipper opening with reflective tape
-
Recycled Fibers: Eco-friendly and sustainable materials
-
Elevated thumbholes — when not in use, sleeves maintain a clean and premium look
-
Breathable fabric
Size & Fit
True to size. Slim fit. Fabric has some stretch. Check our size guide.
Materials / Care
Materials / Care
Shipping & Returns
Shipping & Returns
Free Standard Shipping
Delivered with care, on us. Enjoy free shipping on orders over £50. For more information, visit Shipping & Delivery.
Free Returns
We want you to love what you wear. If not, returns are on us. (Some exclusions apply — see our returns policy for full details.)
Get the look








At Seissense, quality is never an afterthought - it’s the foundation.
Each piece is designed to hold its form and function, no matter the pace of your day.
We choose premium fabrics that move with you and endure wear after wear. The result? Elevated active essentials that feel as fine as they look.
Because what you wear daily should feel exceptionally effortless and style should never come at the cost of comfort or performance.
We believe in doing better - for you and for the world. Our commitment to sustainability begins with mindful sourcing of low-impact material.
We design with intention, reducing waste without compromising on form or function.
Built to last, made to matter - all our garments invite a more conscious way to wear better and smarter.
From fabric to finish, every step we take is responsible and purposeful. Because moving forward means treading lighter, and choosing better.
All our fits are thoughtfully created - where design meets precision.
Every seam, cut, and contour is a result of meticulous attention to detail. Using modern craftsmanship, tools, and techniques, we create fluid, functional designs.
Our creations don’t just look good, they deliver in fit and feel

The Seissense Tribe

It’s rewarding to stay active
We mean it in every way. Earn points and claim rewards with every purchase.