Why this one
A fabric is generally called waterproof at 1,500mm; this is rated 30,000mm. No jacket we stock is rated higher.
Hydrostatic head
30,000 mm
Breathability (MVTR)
20,000 g/m²/24h
Sizes
S, M, L, XL, XXL
Full specification
| Hydrostatic head | 30,000 mm |
|---|---|
| Breathability (MVTR) | 20,000 g/m²/24h |
| Sizes | S, M, L, XL, XXL |
How it compares
Swipe the table sideways to see the other products.
| Specification |  Alpkit DefinitionThis product |  Alpkit Sigma |  Alpkit Gravitas |  Alpkit Fortitude |
|---|---|---|---|---|
| Price | £299.99 | £179.99 | £199.99 | £219.99 |
| Hydrostatic head | 30,000 mm | 15,000 mm | 20,000 mm | 20,000 mm |
| Breathability (MVTR) | 20,000 g/m²/24h | 10,000 g/m²/24h | 20,000 g/m²/24h | 20,000 g/m²/24h |
| Sizes | S, M, L, XL, XXL | S, M, L, XL, XXL | S, M, L, XL, XXL | S, M, L, XL, XXL |
Good to know
How does delivery work?
UK mainland delivery is free with no minimum spend. Delivery depends on where you live and what you order, and we show any exceptions or specialist courier charges before you pay.
What if I change my mind?
You have 30 days to return an item if you change your mind. It needs to be unused and unworn, and we explain the return steps and conditions before you order.
How complete are the product details?
We publish the manufacturer’s figures as provided. If a detail is missing, the manufacturer has not published it. If it matters to your decision, ask us and we will check it before you buy.
What do I need to know about electric bikes?
The e-bikes we sell are bicycles under UK rules. Assistance stops at 15.5mph, and they do not need registration, a licence or insurance.
What is included in the price?
Prices include VAT at 20%. Delivery details and any other applicable charges are shown before you pay.
