SEALSKINZ Langham Waterproof All Weather SPF 40 Cap

The SEALSKINZ Langham is an adjustable all-weather cap presented for wet-weather outdoor use. Its listing claims a waterproof, breathable AQUASEALZ membrane and SPF 40, while customer feedback also describes it as lightweight and effective at keeping the head dry.

At a glance

Adjustable rear fit, with the listing advising a maximum head circumference of 58 cm or 22.8 inches.
The manufacturer describes a three-layer AQUASEALZ membrane as waterproof and breathable.
Listed with SPF 40 and aimed at activities including hiking, running, golf, fishing and walking.

Price

£18.00Save 40%

Reference price: ~~£30.00~~

Price checked: 12 Nov 2026

View offer

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Pros and cons

Pros

Adjustable sizing offers some flexibility in fit, and customer feedback specifically appreciates the rear adjustment.
The product is presented as combining rain protection with breathability, rather than treating waterproofing as its only outdoor feature.

Technical specifications

7 specifications

Identity
Brand	SEALSKINZ
Model number	131000380
Department	Unisex

Fit and dimensions
Suggested maximum head circumference	58 cm or 22.8"
Package dimensions	32 x 18 x 1 cm; 87 g

Protection and construction
Sun protection rating	SPF 40
Waterproofing and membrane	SEALSKINZ patented three-layer AQUASEALZ technology utilises a fully waterproof and breathable membrane, designed for the toughest environments. Excess heat and perspiration can escape without compromising waterproofness. Patented membrane works dynamically with an outer and inner layer ensuring the cohesive functionality of product.

What to know before buying

The listing advises a maximum head circumference of 58 cm or 22.8 inches. Check this against your measurements before buying. SPF 40 and waterproof membrane performance are listing claims, not independently verified measurements. The listed package dimensions and weight refer to the package, not necessarily the cap itself.

Who is it for?

A good fit for

Walkers, hikers, runners and commuters seeking a cap described for wet weather.
Buyers who want an adjustable unisex cap with a listed SPF 40 rating.

Less suited to

People whose head circumference exceeds the stated 58 cm maximum.
Buyers needing independently verified waterproof or sun-protection performance.

SEALSKINZ Langham Waterproof All Weather SPF 40 Cap · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 3,605 ratings

5 stars73%73%
4 stars17%17%
3 stars5%5%
2 stars2%2%
1 star3%3%

Customer feedback highlights perceived water resistance in downpours, lightweight feel, useful function and an adjustable fit. These impressions are relevant for the listing’s intended wet-weather use, but do not independently verify its waterproof membrane or SPF claim. Opinions on value and appearance are mixed, so buyers may weigh practicality more heavily than style or price.

Positive themes

Customers describe the cap as lightweight and functional, and report that it helps keep the head dry.
Feedback appreciates the adjustable rear fit.

Mixed feedback

Customer opinions differ on whether the cap is worth its price.
Appearance receives mixed reactions, with some liking the look and others finding it less stylish.

Frequently asked questions

Is the SEALSKINZ Langham described as waterproof?

Yes. The listing claims its three-layer AQUASEALZ membrane is waterproof and breathable. That is a manufacturer claim, not an independent performance test.

What head size does the listing recommend?

It gives a maximum circumference of 58 cm or 22.8 inches and describes the cap as adjustable.

What does SPF 40 refer to?

SPF 40 is stated in the product title. The supplied information does not specify a test method or further detail about the rating.