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Crafted for uncompromising durability and timeless style, the Men's Engineer Boots 501 are built from the finest materials to last a lifetime. Each pair is meticulously constructed to order, ensuring exceptional attention to detail and heirloom-quality craftsmanship.
These boots are constructed from supple, greased calf leather, meticulously double-tanned using both chrome and vegetable methods. This unique Suportlo leather is barrel-dyed and then greased in a hot oven, a process that enhances its inherent strength and provides superior natural waterproofness. As a full-grain leather (2-2.2mm thick), it undergoes no surface correction, proudly showcasing the natural markings and characteristics of the hide. This results in a robust, durable boot that is highly resistant to loose grain.
A light, frost-like bloom may appear on the surface due to the rich wax and grease content reacting to changes in temperature and humidity. This is a natural characteristic of the well-oiled leather and confirms its high quality. This bloom will disappear with wear and may reappear if the boots are stored for long periods. To quickly remove it, gently use a hairdryer on a warm setting for 1-2 minutes or wipe with a soft cloth.
Available in three rich, versatile shades: Black, Light Brown, and Dark Brown. Each develops a unique patina over time.
| Feature | Specification |
|---|---|
| Leather | Suportlo greased calfskin by HAAS Tannery (France) — chrome + vegetable double-tanned, full-grain, 2-2.2mm thick |
| Color Options | Black / Light Brown / Dark Brown |
| Construction | Goodyear welted for exceptional durability and easy resoling |
| Sole | Vibram 705 half sole — superior grip, abrasion resistance, flexibility |
| Insole | Vegetable-tanned half insole |
| Midsole | Leather midsole + cork filling (molds to foot over time) |
| Toe Box | Slim profile |
| Toe Structure | Standard Celastic toe puff & heel counter (Upgrade available: Vegetable tanned leather) |
| Shaft Height | 25 cm / 9.84 inches |
| Heel Height | 3.5 cm / 1.37 inches |
| Lead Time | Made to order: 2-4 weeks (may extend during holidays) |
▸ Clothing: Size charts reflect garment external measurements, not body measurements. Our sizes tend to run 1-2 sizes smaller than standard US/EU sizing.
▸ Boots & Dress Shoes: Recommend sizing down by 0.5-1 from your sneaker size. Specific suggestions are detailed in the size chart.
▸ Sneakers: True to sneaker size.
For detailed measuring methods, see here.
We want you to love your gear. If you don't, we make it easy to make it right.
Shipping
• Processing: All orders are processed within 1-3 business days. Made-to-order boots require 2-4 weeks for production.
• Delivery: We ship via trusted carriers. For most countries, ETA is 8-14 days. Due to force majeure and holidays, delivery may be delayed.
• Tracking: You will receive a tracking number via email as soon as your order ships.
Returns & Exchanges
• Easy 15-Day Policy: Return items in original, unworn condition with tags attached within 15 days for a refund or exchange.
• How to Start: Initiate a return by contacting us at support@crushonretro.com with your order number.
• Return Shipping: Customers are responsible for return shipping costs.
Custom Boots
For custom boot orders involving leather changes, sole alterations, special sizes (45-49), or any other non-standard modifications, these items are final sale and cannot be returned or exchanged unless there is a manufacturing defect.
Quality Defect
A quality defect refers to a manufacturing or material flaw that is identified upon receipt of the product, before any use or wear. Please inspect your items upon arrival. Claims regarding quality defects will not be accepted for items that have been worn, show signs of use, or are reported significantly after delivery.
Got questions? See our full Shipping & Returns Policy.