# Cressi Alpha Ultra Dry Snorkel ES258020

The Cressi Alpha Ultra Dry snorkel ES258020 is a one-size adult snorkel with a top Aquastop valve, purge valve and flexible corrugated section. Its dry-top design is intended to keep water out, although customer feedback reports mixed experiences with water resistance and operation.

- [Original product page](https://bargainpostbox.co.uk/product/cressi-alpha-ultra-dry-snorkel-es258020)
- [View offer](https://bargainpostbox.co.uk/visit/cressi-alpha-ultra-dry-snorkel-es258020)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: CRESSI
- Model: ES258020
- Category: Sports & Outdoors > Water Sports
- Price: 27.99 GBP
- Previous price: 34.99 GBP
- Discount: 20%
- Price checked: 2026-11-14T19:42:03.027Z
- Rating: 4.4 / 5
- Reviews: 2447

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- A top Aquastop valve is described as keeping water out during use.
- The expanded elliptical tube is described as increasing comfort and air-delivery capacity.
- A purge valve and corrugated section near the mouthpiece are specified.
- The listing describes the tube as ultra-flexible and the snorkel as made in Italy.

## Pros

- Dry-top valve and purge valve provide distinct water-management features.
- Flexible corrugated section can let the mouthpiece section move away from the mouth when used with diving equipment, according to the listing.
- One-size adult design is presented for snorkelling and diving.

## Specifications

### Identity
- Brand: CRESSI
- Model: ES258020
- Style: Alpha Ultra Dry
- Age range: adult
- Size: One Size
- Colour: Blue/Light Blue
- Department: Unisex
### Construction and features
- Dry-top claim: 100% Dry
- Tube: Ultra Felxible Tube
- Origin: Made in Italy
- Material type: Other
- Dimensions and weight: 35.56 x 10.16 x 2.54 cm; 179 g
### Package details
- Number of items: 1
- Included components: 1 dry box

## Before you buy

- The listing describes the product as a snorkel, but its description also names the different Epsilon Dry model and its features. Confirm that the selected item is the Alpha Ultra Dry ES258020 and that the package details apply to it. Customer feedback is mixed on water resistance, ease of use and lid operation, and one customer says it is unsuitable for freediving. The dry-top claim should not be treated as a guarantee against water entry.

## In the box

- 1 dry box (Included)

## A good fit for

- Adult snorkellers looking for a dry-top snorkel with a purge valve.
- Buyers who want a flexible tube and a one-size snorkel for surface use.

## Less suited to

- Anyone needing a verified guarantee that water cannot enter the snorkel.
- Freedivers who require confidence that this particular model suits their technique.

## Customer feedback

Customer feedback highlights perceived quality, comfort, value and valves that work well. Reports on water resistance, ease of use and lid operation are mixed, including mentions of leaks and clip or lid issues. Snorkelling suitability is generally viewed positively, though one customer questions it for freediving. These experiences matter because the listing claims a dry-top valve, purge valve and flexible tube, but those stated features do not ensure consistent water resistance or ease of operation for every user.
- Positive themes: Customers describe the snorkel as good quality and comfortable, and some say its valves work well.
- Positive themes: Feedback generally regards it as suitable for snorkelling.
- Mixed feedback: Water resistance receives mixed reports, with some users saying it stays dry and others reporting leaks.
- Mixed feedback: Ease of use and lid operation are mixed, including reported clip-mounting and automatic re-opening issues.
- Mixed feedback: One customer says the snorkel is not suitable for freediving.

## Frequently asked questions

### Does the Alpha Ultra Dry have a dry-top valve?
The listing describes a top Aquastop valve intended to keep water out. Customer feedback on water resistance is mixed, so this should not be read as a guarantee.
### What other valve features are listed?
The product information specifies a purge valve and an expanded elliptical tube. The listing also mentions a corrugated section near the mouthpiece.
### Is this snorkel suitable for freediving?
The title refers to freediving, but customer feedback includes a report that it is not suitable for freediving. Consider the intended technique before choosing it.

## Alternative options

- [Snorkel Set Adults Snorkeling Gear Anti-Leak and Anti-Fog Tempered Glass Lens Panoramic View Swim Mask Dry Top Snorkel Kit for Snorkeling Scuba Diving Swimming Travel with Carry Bag](https://bargainpostbox.co.uk/visit/cressi-alpha-ultra-dry-snorkel-es258020)
- [Cressi Big Eyes Seal Dry Combo, Snorkel Set Adults, Diving Mask \| Wide Field of Vision, Dry Top Snorkel, Rapid Drainage, Adjustable Buckles, Snorkel Mask Adult, For Snorkelling & Freediving](https://bargainpostbox.co.uk/visit/cressi-alpha-ultra-dry-snorkel-es258020)
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- [CRESSI Unisex – Erwachsene Ranger und Dry Snorkeling Combo Set](https://bargainpostbox.co.uk/visit/cressi-alpha-ultra-dry-snorkel-es258020)
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## Add-ons

- [CRESSI since 1946 - Supernova Dry Snorkel for Diving Freediving and Sea Exploration with Splash Guard Purge Valve Silicone Mo](https://bargainpostbox.co.uk/visit/cressi-alpha-ultra-dry-snorkel-es258020)
- [Cressi Big Eyes Evolution Adult Snorkel Mask, Diving Mask, Low Volume \| Compact for Easy Equalisation, Tilting Buckles for Fa](https://bargainpostbox.co.uk/visit/cressi-alpha-ultra-dry-snorkel-es258020)

## Images

![Cressi Alpha Ultra Dry Snorkel ES258020 — 1](https://bargainpostbox.co.uk/i/sDm6BNtz_3Qi6WpyxOPm3aaAUuazUTutJEwxSxl9Vt6ngINB23cZ6oUjZn7aXNGq5Oopazo4ei5CTMrIVZqROFcM1fRpdgsqwFDNJtMlnKlLAOg5OYIfCJUr.jpg)

![Cressi Alpha Ultra Dry Snorkel ES258020 — 2](https://bargainpostbox.co.uk/i/IMmAxBYAJx9gZ6HiwRkv9Q7WOBd5NtE_itJO_DvdE62EBdyFdxdV_AmxIHWNU_0NPiyFJBB1ZMTo0P4fzgApWRakIEuy-sZ6a3WAXC95wV5W8GOwBjRj3T_A.jpg)

![Cressi Alpha Ultra Dry Snorkel ES258020 — 3](https://bargainpostbox.co.uk/i/DFWOmUCRAlOaYjBXG9W-IsP-bJHGP8E0mymiH2Q8E2nam2u7ZM9sP9F-y171Ecou_v3lU0vWDIUBPbVNd0heN4TM_GpBNJubLB2-3d0JBEfqTzYvAtULKPab.jpg)

![Cressi Alpha Ultra Dry Snorkel ES258020 — 4](https://bargainpostbox.co.uk/i/WLveZhRa99l2jtsr2BjHMFW7Pb4_Ry-HnU1EO3f-EHYT7xAus0flCC01Sj1G5cRsyXCG-FXPG24Me48EGIN1YMFmKLIsybzsc_hkEGEITE6VNTrnHH68Ktp6.jpg)

![Cressi Alpha Ultra Dry Snorkel ES258020 — 5](https://bargainpostbox.co.uk/i/8FncB8Wwxt76ZvnJyTMijiqeCmNNOQ1xZ2ozdyjD27qaEklnhXZnjWHmFPYa7FaNxmrwDSvRfeVC3qRVRR7E5BOmaJpz-wTxys-8MUEGH7CNTQ-HvSs7nBDx.jpg)

![Cressi Alpha Ultra Dry Snorkel ES258020 — 6](https://bargainpostbox.co.uk/i/MP_s-F1uQGCzK9curzsBzPmSX1fu8MFZmngBr_tEpl1hlwnEQ0CVTMDsrSDWCePGPwOOQOyJByxZk7e3VgWYQszmurkcAt1K2AWlVEBQ9SIk6omKoVVR9g4_.jpg)