The lightest base layer in our winter range. An almost summer weight that still provides a good degree of warmth on the skin. Stretchy for a close fit. Longsleeve version.Features:- Stretch polyester fabric brushed inside for a warm and comfortable feeling despite light weight- Soft, flat comb stitching to minimize chafingSpecifications:Technical Features: - Breathable /Reflective / Waterproof / Water Repellent / Windproof /Extra-Pockets /Packable Compare prices from: Sportful in Men's Underwear