




Sizes: l/xl / s/m
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This is a long-sleeved thermal sweatshirt in a solid navy blue, crafted from a blend of 64% polyamide, 28% polyester, and 8% elastane. The fabric features 4F Skin Technology for flexibility, quick-drying, and thermal properties. It has a fitted silhouette that contours to the body, with a round neckline and seamless construction for comfort. Ideal for layering under a jacket during cooler months or as a standalone piece for casual wear. Style with navy chinos and white sneakers for a smart-casual look, or pair with dark jeans and a leather belt for a more rugged appearance. Machine wash at 30°C.
Polyamide, Polyester, Elastane
Machine wash at 30°c.
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The 4F Men's Navy Thermal Sweatshirt with 4F Skin Technology works for casual days and everyday.
Pair with navy chinos and white sneakers for a polished casual look, or with dark jeans and a leather belt for a rugged edge.
The 4F Men's Navy Thermal Sweatshirt with 4F Skin Technology is made from polyamide, polyester, elastane.
Editor's edit
Pair with navy chinos and white sneakers for a polished casual look, or with dark jeans and a leather belt for a rugged edge.
See all outfit ideasDebenhams — £3.99 standard delivery, free over £50.00 via Standard, typically 3-5 working days.
Debenhams deducts £1.99 from your refund to cover the return label. Returns accepted within 28 days of delivery.
View Debenhams's returns policyThis is a long-sleeved thermal sweatshirt in a solid navy blue, crafted from a blend of 64% polyamide, 28% polyester, and 8% elastane. The fabric features 4F Skin Technology for flexibility, quick-drying, and thermal properties. It has a fitted silhouette that contours to the body, with a round neckline and seamless construction for comfort. Ideal for layering under a jacket during cooler months or as a standalone piece for casual wear. Style with navy chinos and white sneakers for a smart-casual look, or pair with dark jeans and a leather belt for a more rugged appearance. Machine wash at 30°C.
Polyamide, Polyester, Elastane
Machine wash at 30°c.
Debenhams — £3.99 standard delivery, free over £50.00 via Standard, typically 3-5 working days.
Debenhams deducts £1.99 from your refund to cover the return label. Returns accepted within 28 days of delivery.
View Debenhams's returns policyThe 4F Men's Navy Thermal Sweatshirt with 4F Skin Technology is available in sizes l/xl, s/m.
Second-hand alternatives to the 4F Men's Navy Thermal Sweatshirt with 4F Skin Technology on Vinted, Depop and other UK resellers.