Product description

Functional Fly

Considerate design on the thermal bottom with fly opening for easy-go when nature calls.

Crew Neck

Classic crew neck design is perfect to wear under clothes in cold winter day to keep warm.

Slim Fit and Stretchy Fabric

Close-fitting style does better in retaining body heat to keep you warm.

Double-layer Knee Panel

Comparable to cashmere in heat-retention with fleece on both sides; close-fitting style does better in retaining body heat to keep you warm.

	Double-sided Fleece Lined Thermal Set	Rib Double-sided Brushed Fiber Thermal Set	Stretchy Cotton Fleece Lined Thermal Set	Viscose-acryl Blend Fiber Thermal Set
	Add to Cart	Add to Cart	See Details	Add to Cart
Customer Reviews	4.7 out of 5 stars 1,665	4.6 out of 5 stars 2,337	4.7 out of 5 stars 1,319	4.6 out of 5 stars 2,337
Price	$39.99$39.99	$25.89$25.89	—	$29.99$29.99
Fabric	Acrylic + Rayon	Polyacrylonitrile + Modal	Cotton	Acrylic + Rayon
Fleece Lined	√ (Double-sided)	√ (Inside)	√ (Inside)	√ (Inside)
Double-layer Knee panel	✓
Double-layer Elbow sleeve panel	✓
Functional Fly	✓	✓	✓	✓
Neck Type	Crew Neck	Crew Neck	Crew Neck	Crew Neck
Warmth Level	Warm++	Warm++	Warm+	Warm+
Weight	Heavyweight (300g/m²)	Midweight (240g/m²)	Midweight (270g/m²)	Midweight (215g/m²)
Color Choice	Black/Navy Blue	Heather Dark Gray/Heather Moonlight Blue	Black/Navy Blue/Heather Dark Gray/Heather Light Gray	Black/Dark Gray
Available Sizes	S/ M/ L/ XL	S/ M/ L/ XL	S/ M/ L/ XL	S/ M/ L/ XL