SealSkinz Trekking Thick Mid Socks - Black/Anthracite

SealSkinz Trekking Thick Mid Length Sock

The SealSkinz Trekking Thick Mid Length Sock is a premium waterproof trekking sock designed for outdoor use in cold and wet conditions. Built using SealSkinz StretchDry technology, it delivers reliable waterproof, windproof and breathable performance for activities such as walking, hiking and trekking where keeping feet dry and warm is essential.

With a thick construction and a merino wool lining, this mid-length sock is intended for colder environments, offering added insulation and comfort during demanding outdoor adventures.

Craftsmanship & Construction

The sock features a multi-layer construction incorporating a hydrophilic waterproof membrane that prevents water ingress while allowing moisture vapour to escape. StretchDry technology ensures a close, flexible fit that moves naturally with the foot. The interior merino wool lining enhances warmth and moisture management, helping to maintain comfort throughout prolonged wear.

Fit & Comfort

An elasticated ankle and instep provide a secure, supportive fit, helping to minimise movement and friction inside footwear. Padding at the heel, toe and footbed improves comfort and shock absorption, while the Y-gore heel construction supports a more anatomical fit.

Key Features

• 100% waterproof, windproof and breathable StretchDry construction
• Thick insulating weight for cold-weather performance
• Merino wool lining for warmth and moisture control
• Padded heel, toe and footbed for enhanced comfort
• Elasticated ankle and instep for a secure fit
• Hand-linked toe closure to reduce irritation

Materials & Care

The outer layer is constructed from nylon with elastane for stretch, combined with a hydrophilic waterproof membrane. The lining blends merino wool with synthetic fibres to balance insulation, durability and moisture control. Care should follow manufacturer guidance to maintain waterproof performance and longevity.

SealSkinz Trekking Thick Mid Length Sock Review

The SealSkinz Trekking Thick Mid Length Sock is designed for outdoor enthusiasts who regularly encounter wet and cold conditions. By combining complete waterproof protection with thermal insulation, it offers a practical solution for maintaining foot comfort when traditional socks are insufficient.

Its thick construction and supportive fit make it particularly well suited to long walks and challenging terrain where weather exposure is unavoidable.

SealSkinz Trekking Thick Mid Length Sock Performance & Key Features

This sock performs best in persistently wet environments, delivering dependable protection and comfort.

• Waterproof membrane prevents external moisture ingress
• Breathable construction helps manage internal moisture
• Merino lining provides warmth in colder conditions

Build Quality & Handling

The build quality reflects SealSkinz’s focus on durability and performance. Robust materials, reinforced padding and a carefully shaped heel contribute to a sock that feels supportive and hard-wearing, even during extended use in tough conditions.

Is SealSkinz Trekking Thick Mid Length Sock Easy to Use?

The sock is straightforward to wear and pairs well with walking boots and hiking footwear. Elasticated support zones help keep it securely in place, reducing the need for adjustment during activity.

• Secure elasticated fit through ankle and instep
• Flat toe seam reduces pressure and irritation

Key Takeaways of the SealSkinz Trekking Thick Mid Length Sock

This sock delivers reliable waterproof protection, effective insulation and a supportive fit for cold and wet outdoor conditions. Its thicker profile prioritises warmth and comfort over minimal bulk, making it ideal for hikers and trekkers who value protection and durability. For challenging weather and extended use, it represents a dependable and well-considered choice.

SealSkinz Trekking Thick Mid Length Sock FAQs

How waterproof is the SealSkinz Trekking Thick Mid Length Sock?

The sock is fully waterproof thanks to its integrated hydrophilic membrane, preventing water ingress while remaining breathable during activity.

Is this sock suitable for cold weather?

Yes, the thick construction and merino wool lining provide added insulation, making it suitable for colder outdoor conditions.

Does the sock remain breathable?

Despite being waterproof, the breathable membrane allows moisture vapour to escape, helping to reduce internal dampness.

Can it be worn with hiking boots?

The mid-length design and padded construction make it well suited for use with hiking boots and robust outdoor footwear.

How does it help prevent blisters?

Padded zones and a flat, hand-linked toe seam reduce friction and pressure points, helping to improve comfort over long distances.

What materials are used?

The sock combines a nylon and elastane outer, a waterproof membrane, and a merino wool-rich lining for warmth and moisture control.

Who is this sock best suited for?

It is ideal for hikers, trekkers and outdoor enthusiasts who regularly face wet, cold conditions and need dependable foot protection.

For more options, explore the full range of SealSkinz socks here.