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Material Guide
Upper Materials: Natural
Leather
Made from the highest quality, top-grain cowhide. The smooth finish is durable and easy to clean. Clean and condition with Leather
Balm. If you need to touch up the scuffs, use shoe cream in a matching
color.
Embossed Leather
Same as Smooth Leather above except that a special pattern or texture has been pressed into the surface. Clean and condition with Leather
Balm. If you need to touch up the scuffs, use shoe cream in a matching
color.
Oiled Leather
Compared to Smooth leather, Oiled leather has a softer feel and is a bit less shiny. It has a durable and moisture-resistant surface. For care, you can either use polish to enhance shine or beeswax conditioners to stay with a more satin look.
Waxy Leather
Top-grain cowhide, buffed and coated with a waxy finish. Spray with Meltonian
Water & Stain Protector when new to help protect it from the elements.
To clean, use the Birkenstock
Leather Cleaner then spray again with protector.
Nappa Leather
A pliable smooth leather with a soft finish. Clean and preserve with Leather
Balm and treat scuffs with polish and a buffing brush.
Soft Gloss Leather
Full grain leather with a soft matte finish. Clean with Leather
Balm and polish when scuffed.
Metallic Leather
Leather with a shiny or matte metallic finish to the top. Clean with Leather
Balm.
Memphis Leather
The leather is reversed. Smooth surface is against your foot with brushed suede on the outside. Spray with
Meltonian
Water & Stain Protector when new. Clean by brushing with a brass bristle
Suede Brush
then spray again with the protector. Birkenstock
Leather Cleaner can be used to remove particularly bad spots.
Water-resistant Leather
Leather has been treated to resist moisture. This minimizes darkening and staining from wetting and reduces time to dry out.
Pearlized Leather
Leather with a pearlized finish to the top, giving it a dressy, glimmering appearance. Clean gently with Leather
Balm.
Antiqued Leather
Leather with character - solid, genuine, unpretentious. The surface is smooth but with a flat finish.
Alpro Leather
A polyurethane surface treatment is applied to smooth leather to make it more stain resistant and easier to clean.
Textured Leather
Same as Smooth Leather above except that a special pattern or texture has been pressed into the surface. Clean and condition with Leather
Balm. If you need to touch up the scuffs, use shoe cream in a matching color.
Leather/Suede
Leather/Suede
Water-resistant Leather/Nylon
Leather has been treated to resist moisture. This minimizes darkening and staining from wetting and reduces time to dry out. Nylon adds strength and breathability.
Nubuck
Top-grain cowhide, buffed to create a soft, velvety finish. Spray with Meltonian
Water & Stain Protector when new to help protect it from the elements.
To clean, brush the surface with a plastic bristle Nubuck
Brush and spray again with the protector. For heavily soiled areas, use
a Nubuck
Block Stain Eraser, then brush and spray. If you have spilled something
particularly horrible on your shoes, use the Birkenstock
Leather Cleaner and then spray again with the protector.
Embossed Nubuck
Same as Nubuck Leather above except that a special pattern or texture has been pressed into the surface. Care information is same as for Nubuck Leather also.
Water-resistant Nubuck
Nubuck leather has been treated to resist moisture. This minimizes darkening and staining from wetting and reduces time to dry out.
Suede
Made with premium cowhides, split to produce soft, thick uppers. Spray with
Meltonian
Water & Stain Protector when new. Clean by brushing with a brass bristle
Suede Brush
then spray again with the protector. Birkenstock
Leather Cleaner can be used to remove particularly bad spots.
Silky Suede
Suede with a velvety finish. Coated with polyurethane for better water and stain resistance. Clean by brushing the surface with a plastic bristle Nubuck
Brush.
Suede/Microfiber
Wool Felt
Genuine wool. Dense, retains shape well and does not pill. Spray with fabric protector like Scotchguard® when new.
Organic Cotton
Denim
Cotton denim is sturdy and breathable.
Boiled Wool
Boiled wool feels very dense because it is pre-shrunk. It features great durability, breathability and warmth.
Upper Materials: Synthetic
Birko-Flor
Synthetic alternative to smooth leather. Smooth vinyl with a compressed felt backing. Water-resistant.
No break-in required. Doesn’t stretch or fade. Clean with a wet washcloth.
Birkibuc
Synthetic alternative to nubuck. Slightly porous, textured vinyl with a matte finish and compressed
felt backing. Water-resistant. No break-in required. Doesn’t stretch or fade.
Clean with a wet washcloth. Leather Balm can be used to hide scuffs.
Birko-Felt
A durable, breathable, synthetic. Spray with fabric protector like Scotchguard® when new. (Meltonian Water & Stain Protector doesn’t work because the fabric
absorbs it.) Brush lightly with plastic bristle Nubuck
Brush to clean. Use a sweater shaver if the felt pills.
Embossed Birko-Flor
Same as Birko-Flor above except that a special pattern or texture has been pressed into the surface.
Microfiber
Very soft, synthetic material woven from micro-fine filaments. Moisture absorbent, breathable, and washable.
Polyurethane
A tough, waterproof, biodegradeable synthetic. Resistant to heat, acid, oil, and grease.
Wash with mild soap and water. Don’t use bleach on white shoes because it turns
them yellow.
EVA - Ethyl Vinyl Acetate
Ethyl vinyl acetate, a non-toxic synthetic compound. Creates super lightweight and flexible footwear that is quite shock absorbent. Resists discoloration from exposure to bleach or UV rays. Also waterproof and resistant to acid, oil, and grease. Can shrink in heat over 170º Fahrenheit.
Nylon webbing
Strong, abrasion resistant and water-friendly. Often printed with colorful designs and padded with neoprene underneath.
Footbed, Sole, and Other Materials
Cork
Birkenstock uses premium quality cork—a natural, renewable substance—to provide the orthopedic contours feet need for maximum comfort. Cork is lightweight, resilient, and shock-absorbent. Your new footwear comes with a sealant already applied to the cork. When the cork looks dry or has a dull finish (usually between one and three months), use Cork
Life to maintain the protection.
Interesting facts about Birkenstock cork: Cork comes from the bark of cork
oak trees that grow in Spain and Portugal. Workers peel cork by hand in a process
that is harmless to the trees. After seven years of new growth, each tree is
ready for harvest again. The cork used in Birkenstock shoes is a by-product
of the bottling industry. After harvest, the cork bark is cut into bottle stoppers,
and we grind up the remaining scraps to make the Original Contoured Footbed®.
Latex
A natural polymer. Latex is mixed with cork to give the footbed more elasticity and flexibility, and to keep it from cracking.
Jute
A natural, thick fiber, obtained from the jute plant, which increases the flexibility and durability of the footbed.
PPT
A highly durable open cell urethane that can be applied by our repair folks between the leather and jute to add cushion and shock absorption to the footbed. Does not compress. Good for plantar fasciitis/heel pain. (PPT is a registered trademark of Langer Biomechanics Group, Inc.)
EVA
Ethyl vinyl acetate, a non-toxic synthetic compound. Creates a flexible, somewhat
cushioned sole that is able to absorb pressure as you walk. Waterproof and resistant to heat, acid, oil, and grease. Abrasion and tear-resistant. Compresses over time. Can shrink in heat over 170º Fahrenheit.
Birko-cell Foam
(Also called ‘spacers.’) Medium-density EVA. Often used under the footbed,
on top of the sole, to tighten up the fit. It reduces the volume inside the
shoe and adds cushion. Compresses over time.
Microfiber
Very soft, synthetic liner woven from micro-fine filaments used on the surface of some insoles. Moisture absorbent, breathable, and washable.
SympaTex
A solid, nonporous membrane consisting of carbon, hydrogen, and oxygen atoms
linked together in a molecular chain. Completely waterproof and windproof, yet
breathable.
Cork/Latex
The standard material for Birkenstock Sandal and Shoe footbeds. Natural cork held in a tough, flexible matrix by Latex (a natural polymer). Firm and resilient support. Lightweight and shock absorbing. Conforms to the contours of your foot over time.
Cork/EVA
Also called BirkoCork. The standard material for Birkenstock Arch Supports and footbeds for children's footwear. Natural cork held in a tough, flexible matrix by EVA (ethyl-vinyl acetate). Lightweight and shock absorbing. Thermopliable at 250 degrees F.
Polyurethane foam
Dense, closed-cell foam. Unaffected by water, maintenance-free and no perceptible compression over time. Somewhat softer than the Birkenstock Cork/Latex footbed and does not conform to the shape of your foot.
Latex Foam
Medium-density foam provides structured cushioning. Softer than the cork arch supports and lined with either leather or Cambrelle textured fabric.
Thermoplastic Polyurethane
(TPU) A heat moldable elastomer, TPU offers elasticity without the use of plasticizers. This versatile material bridges the gap between rubbers and plastics.
Memory Foam
Memory Foam is a heat sensitive, visco-elastic polyurethane foam. At room temperature memory foam is harder than at skin temperature, which causes it to soften on contact and mould itself to the shape of a warm body within a few minutes. The foam also holds its shape temporarily - a hand pressed into memory foam will leave a clear impression when removed.
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