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Siena Jacket Women's

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Women's Shellwear Size Guide

Mont Shellwear is designed with enough ease to allow base and mid layers to fit as needed. If you are a size medium Mont shirt or pant you will most likely be a size medium Mont shell garment.

Measurements refer to average body size not garment dimensions. Wearing ease alters depending on style and fabric.

Size (cm) 810121416
Bust 82-85 87-90 92-95 97-100 102-105
Sleeve 75 77.5 80 82.5 85
Waist 65-68 70-73 75-78 80-83 85-88
Hips 90-93 95-98 100-103 105-108 110-113
Inseam Leg 63 66 69 72 75


 Size (inches)810121416
Bust 32-33.5 34-35.5 36-37.5 38-39.5 40-41.5
Sleeve 29.5 30.5 31.5 32.5 33.5
Waist 25.5-26.5 27.5-28.5 29.5-30.5 31.5-32.5 33.5-34.5
Hips 35.5-36.5 37.5-38.5 39.5-40.5 41.5-42.5 43.5-44.5
Inseam Leg 24.5 26 27 28.5  29.5

The Mont Women's Siena Jacket is a tough and and reliable women's hardshell jacket which is perfect for hiking. A robustly waterproof jacket, the Siena's longer cut provides protection against the elements and while pushing through scrub. The Mont Siena Women’s Jacket is a refined, all-purpose 3/4 length bushwalking rain jacket that is equally practical around town or travelling. Featuring a three piece storm hood with multi point adjustments, a triple storm flap system to protect the front zip from down pours and a waist draw-cord adjustment that is neatly concealed away in the lower front pockets reducing potential snag points. Tested in the worst imaginable conditions, the mid weight Hydronaute 3 layer fabric offers outstanding breathability and waterproofness while being durable enough to withstand the long-term use of heavy backpacks and offering a high level of pin-hole resistance making it an ideal choice for bushwalking. .


Made from classic Hydronaute 3 layer waterproof breathable fabric
100% windproof
A traditional ¾ length bushwalking jacket
Three piece storm hood with multi point adjustment and wire visor
Ykk #5 front zip with dual sliders can be opened from either end
Dual front storm flaps with Prym Aqua stud closures
Under zip flap
External chest pocket with YKK WR zip
Waist drawcord with adjustment cleverly consealed inside pocket flaps
Lower cargo pockets with laminated pleats
Hook and loop adjustable cuffs
Sewn with Hydrophobic Epic thread
Multiple bar-tacks for enhanced durability on high stress points like zips and pocket flaps
100% factory seam sealed


Materials: Shell Fabric: Hydronaute 3 Layer Fabric

Fit: Relaxed

Weight: 660g (Size 12)

Intended Use: Bushwalking

Fabric Performance: Waterhead: 30,000mm
MVTR (Breathability): 20,000g+/24 hours


Hydronaute: the standard in waterproof, windproof, breathable fabric.

High Performance Fabric Technology
Hydronaute is a waterproof, highly breathable and windproof fabric guaranteeing protection in all conditions. The combination of high performance new-age face fabrics with innovative laminate technology means superior weather proofness and enhanced comfort.

Face Fabric Selection
The face fabric is a crucial factor in the performance of Mont Hydronaute™ garments. It affects the durability, breathability and ‘feel’ of Hydronaute™. Our access to the most advanced face fabrics means that Mont outerwear is technically superior to previously used fabric technologies. In particular, the face fabric in our bushwalking range has increased abrasion resistance, tear strength and pinhole resistance.


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    Paddy Pallin is proud to stand behind the products we sell. Should you change your mind, you are welcome to return goods for a refund or exchange within 90 days from receipt of goods. Goods must be accompanied by proof of purchase, be in original purchase condition and include packaging. No returns on underpants, safety, face masks or climbing gear. Read our returns policy  here.

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    *Applies to ranged stock only. Not applicable to gift cards, services such as repairs, and Oxfam Trailwalker merchandise. Discount may not be used in conjunction with any other offer.

    Lifetime Club Membership

    Join the Paddy Pallin Club for $10.00 and receive a 10% discount on all future purchases.*


    Exclusive Club Member sales, promotions, and events!
    *Club Member discount not applicable to gift cards and services such as repairs. Discount may not be used in conjuction with any offer