Estimated reading time: 12 minutes
Table of Contents
- Why Proper Storage Matters
- What to Do After Every Session
- How to Dry Climbing Shoes
- Odour Control
- Storage Position & Closure
- Bags & Containers
- Storage Environment
- Long-Term Storage
- Rubber Care
- Do’s and Don’ts
- Climbing Shoe Storage in the UK
- FAQ
Why Proper Storage Matters
Climbing shoes are precision tools. The rubber compound, rand tension, and last shape that make your shoes perform on the wall are all vulnerable to degradation from heat, moisture, UV exposure, and compression. Most UK climbers who complain about shoes losing their edge, developing odour, or delaminating prematurely are experiencing the consequences of poor storage — not shoe quality issues.
Proper storage habits can extend the functional life of a pair of climbing shoes by 30–50%. For a pair of Castiron Grip N23s or PR23s, that’s the difference between resoling once and resoling twice before the upper gives out.
| Storage Mistake | Consequence | Timeline |
|---|---|---|
| Leaving wet shoes in a sealed bag | Mould, delamination, permanent odour | 24–48 hours |
| Drying with direct heat (radiator, tumble dryer) | Rubber hardening, rand delamination | 1–3 sessions |
| Storing in direct sunlight | UV rubber degradation, colour fade | Weeks |
| Storing with closures tight | Permanent toe box deformation | Months |
| Storing in a damp garage or shed | Mould growth, rand adhesive failure | Weeks in UK winter |
What to Do After Every Session
The 10 minutes after your climbing session are the most important for shoe longevity. UK gym climbers — especially those training at The Climbing Works, Depot, or The Castle — often make the mistake of throwing sweaty shoes directly into a kit bag and leaving them there until the next session. This is the single biggest cause of premature shoe degradation, and it’s particularly problematic in the UK where damp conditions mean shoes stay wet longer.
- Remove shoes immediately after your last climb — don’t walk around in them post-session.
- Open all closures fully — unlace lace-up shoes completely, open velcro straps fully.
- Wipe the inside with a dry cloth or paper towel to remove excess moisture.
- Place in a breathable mesh bag — never a sealed plastic bag or the bottom of a sealed kit bag.
- Air dry as soon as possible — ideally within 1 hour of finishing your session.
How to Dry Climbing Shoes
The Right Way to Dry Climbing Shoes
- Room temperature air drying with good airflow is the gold standard. A fan pointed at the shoes speeds this up significantly — particularly useful in the UK where ambient humidity slows natural drying.
- Hang by the heel loop if your shoes have one — this allows airflow inside the shoe.
- Stuff loosely with newspaper to absorb moisture and maintain shape — replace after 30 minutes if very wet.
- Cedar shoe inserts absorb moisture and control odour simultaneously — highly recommended for UK climbers who train multiple times per week.
What to Avoid
- ❌ Tumble dryer — even on low heat, tumble drying destroys rubber and rand adhesive.
- ❌ Radiator — the most common UK mistake. Direct heat hardens the rubber compound permanently.
- ❌ Airing cupboard — too warm and enclosed; causes rubber hardening and odour concentration.
- ❌ Direct sunlight — UV degrades rubber and fades the upper.
- ❌ Damp garage or shed — high ambient humidity prevents proper drying and encourages mould.
Odour Control
Climbing shoe odour is caused by bacteria thriving in the warm, moist environment inside the shoe. UK climbers who train 3–5 times per week will notice odour developing within weeks if shoes aren’t dried and treated properly. The UK’s higher ambient humidity makes this worse than in drier climates — shoes take longer to dry naturally, giving bacteria more time to multiply.
Prevention (Most Effective)
- Wear clean socks or toe socks — even thin socks dramatically reduce bacterial buildup. Many UK gym climbers have switched to toe socks for this reason.
- Air dry immediately after every session — bacteria can’t thrive in a dry environment.
- Cedar inserts — natural antibacterial and moisture-absorbing. Leave in shoes between sessions.
Treatment (If Odour Has Developed)
- Bicarbonate of soda — sprinkle inside, leave overnight, shake out. Repeat 2–3 times.
- Rubbing alcohol spray — lightly mist the inside, allow to fully air dry. Kills bacteria without damaging rubber.
- Freezing — seal in a plastic bag and freeze overnight. Kills odour-causing bacteria. Allow to fully thaw and air dry before use.
- Specialist climbing shoe deodorisers — available at Cotswold Outdoor, Tiso, and most UK climbing retailers.
Storage Position & Closure
- Store with closures fully open — laces loosened, velcro open. This allows the toe box to relax to its natural shape.
- Store flat or heel-down — avoid storing with the toe compressed against a wall or the bottom of a bag.
- Don’t stack heavy items on top — compression deforms the rand and toe box permanently.
- For aggressive downturned shoes (like the PR23): storing flat allows the downturn to partially relax between sessions, which is normal and desirable.
Bags & Containers
| Container Type | Verdict | Notes |
|---|---|---|
| Breathable mesh bag | ✅ Best | Allows airflow, prevents moisture buildup |
| Open shelf or hook | ✅ Excellent | Maximum airflow; ideal for home storage |
| Cotton or canvas bag | ✅ Good | Breathable; acceptable for transport |
| Sealed plastic bag | ❌ Avoid | Traps moisture; causes mould and delamination |
| Bottom of sealed kit bag | ❌ Avoid | No airflow; accelerates odour and degradation |
| Airtight plastic container | ❌ Avoid | Same as sealed bag; traps moisture and odour |
Storage Environment
The ideal storage environment for climbing shoes in the UK:
- Temperature: Cool to room temperature (15–24°C). Avoid unheated garages and sheds in winter — damp and cold accelerates rubber degradation.
- Humidity: Low to moderate. The UK’s naturally higher ambient humidity means indoor storage is strongly preferred over garages or sheds.
- Light: Away from direct sunlight. A hallway shelf, gear cupboard, or under-stairs storage is ideal.
- Airflow: Some airflow is better than none. An open shelf beats a sealed box, especially in the UK’s damp climate.
Long-Term Storage
If you’re storing climbing shoes for more than a few weeks — end of season, injury recovery, or between climbing trips — follow these additional steps:
- Clean thoroughly before storage — remove chalk, dirt, and moisture from the sole and upper.
- Treat for odour before storing — bicarbonate of soda or cedar inserts.
- Store with closures fully open and toe box relaxed.
- Wrap loosely in a breathable cloth — not plastic wrap or sealed bags.
- Store indoors in a cool, dark, dry location — a gear cupboard is ideal. Avoid garages and sheds in the UK.
- Check monthly for any signs of mould, delamination, or rubber degradation.
Rubber Care
| Rubber Care Practice | Why It Matters | Frequency |
|---|---|---|
| Wipe sole before climbing | Removes dust and chalk that reduce friction | Every session |
| Avoid walking on abrasive surfaces | Concrete and tarmac wear rubber 10x faster than rock | Always |
| Air dry after wet outdoor sessions | Wet rubber loses friction; drying restores it | After every wet session |
| Resole before rubber wears through | Worn-through rubber damages the rand; rand repair is expensive | When sole is <2mm thick |
| Store away from ozone sources | Electric motors and fluorescent lights emit ozone that degrades rubber | Long-term storage |
Do’s and Don’ts
| Do ✅ | Don’t ❌ |
|---|---|
| Air dry immediately after every session | Dry on a radiator or in a tumble dryer |
| Store with closures fully open | Store with laces tight or velcro closed |
| Use a breathable mesh bag for transport | Leave in a sealed plastic bag or kit bag |
| Store indoors in a cool, dark, dry location | Store in a damp garage, shed, or airing cupboard |
| Use cedar inserts between sessions | Ignore odour until it’s severe |
| Wipe soles before climbing | Walk on concrete or tarmac in climbing shoes |
| Resole before rubber wears through | Climb on worn-through rubber |
Climbing Shoe Storage in the UK
UK climbers face a specific storage challenge that climbers in drier climates don’t: ambient humidity. The UK’s consistently damp climate — particularly in Scotland, Wales, the Lake District, and the Peak District — means climbing shoes take longer to dry naturally and are more susceptible to mould if stored incorrectly. The most common storage mistake among UK climbers is leaving shoes in a sealed kit bag after a session, or drying them on a radiator — both of which cause significant damage.
At UK climbing walls like The Climbing Works (Sheffield), Depot (Leeds, Manchester, Liverpool), The Castle (London), and Ratho (Edinburgh), the most common shoe damage seen is odour from shoes stored in sealed bags and rand delamination from radiator drying. Both are entirely preventable.
For UK climbers who climb outdoors at Peak District gritstone, Pembroke limestone, or Scottish mountain crags, wet rock sessions are common — making proper post-session drying even more critical. Never store wet shoes in a car boot overnight after an outdoor session.
Castiron Grip ships across the UK with free shipping on orders over £150. If your current shoes are beyond saving, the N23 and PR23 are available with standard 3–5 day UK delivery.
FAQ
How should I store climbing shoes after a session?
Remove shoes immediately, open all closures fully, wipe out excess moisture, and place in a breathable mesh bag. Air dry at room temperature as soon as possible — within 1 hour of finishing your session if possible. Never leave in a sealed bag or the bottom of a kit bag.
Can I dry climbing shoes on a radiator?
No — this is the most common UK climbing shoe mistake. Direct heat from a radiator hardens the rubber compound permanently and causes rand delamination. Always air dry at room temperature. A fan pointed at the shoes speeds up drying without heat damage.
How do I get the smell out of climbing shoes?
For mild odour: cedar inserts left in the shoes between sessions. For established odour: bicarbonate of soda overnight, rubbing alcohol spray, or freezing in a sealed bag overnight. Prevention is far more effective than treatment — air dry immediately after every session.
Should I store climbing shoes with laces tight or loose?
Always loose — fully open. Storing with laces tight or velcro closed permanently deforms the toe box and rand over time, changing the fit and reducing performance.
Can I store climbing shoes in my garage or shed?
Not recommended in the UK. Garages and sheds are typically damp and cold in UK winters, which encourages mould growth and rubber degradation. Store shoes indoors in a cool, dry location — a gear cupboard or hallway shelf is ideal.
How long do climbing shoes last if stored properly?
With proper storage and care, a quality pair of climbing shoes like the Castiron Grip N23 can last 2–3 years of regular gym use before the upper wears out, with 1–2 resolings in that period. Poor storage — particularly radiator drying or damp storage — can cut that lifespan significantly.
What is the best bag for storing climbing shoes?
A breathable mesh bag is the best option for both transport and short-term storage. For home storage, an open shelf or hook with good airflow is ideal. Never use sealed plastic bags or airtight containers — especially important in the UK’s damp climate.
External Resources
- British Mountaineering Council (BMC) — UK climbing federation, wall finder, and gear advice
- Cotswold Outdoor — UK climbing gear retailer
- UKClimbing — UK climbing news, gear reviews, and crag guides
- Tiso — Scottish outdoor and climbing gear retailer
- Mountaineering Scotland — Scottish climbing and mountaineering federation
Written by T-K