The hood is nice and snug, it has no means of adjusting the fit, but I found it a tight but non-constrictive fit. That has room for a hat underneath, yet can still fit under a helmet. It can either be used as a warm midlayer or a lightweight outer layer when the weather is on your side. Large: Chest 107cm / 42" // Waist: 86cm / 34" // Inside Leg (Regular): 80.5cm / 31.5" // Inside Leg (Short): 75.5cm / 29.75" // Inside Leg (Long): 85.5cm / 33.75" Montane's Protium XPD Hoodie, is a to end performance mid-layer that offers a very high warmth to weight ratio making it ideal for high performance in colder conditions. Montane says:

We found that it gave a fair amount of wind protection too. The hood framed the face nicely, and fitted easily under a helmet. We didn’t find the hood to restrict movement in any way when looking up or down, and side to side. The cuffs are low profile and close fitting, again making this an ideal layering piece. We appreciated the added length in the arms which added a bit of extra warmth and meant that the sleeves didn’t ride up when reaching. The extra length didn’t bunch enough to ever become cumbersome. Our tester found herself pulling the sleeves down over her hands on chillier days and thinking that a thumb hole could be useful. It’s a good layer to add to your sleep system; you won’t get too hot and sweaty, but it will undoubtedly add warmth. It will be a personal choice as to whether you want a larger size with the extra movement that offers, or a clinging tighter size that will allow that feels slightly more restrictive but may work better under other layers. We think the Protium Pull-On comes out on the small side for its stated size. I went for a size Large in preference to my more usual Medium and it seems about right. Although only weighing in at 352g (size L - my measure), this feels a heavier weight fleece than that might suggest. Normally such light items would be almost in the base layer category but this has a much more substantial feel about it. You could use it as a base layer but you would probably boil.

High performance 69% recycled Polartec Thermal Pro® Hi-Loft in the core body of the Protium Xped Hoodie provides excellent thermal regulation when working hard in colder temperatures and delivers incredible warmth for its weight. The stretch Thermo Grid side and underarm panels provide stretch in key areas, making this technical hoodie perfect for highly active use. Many people - myself included - value the adaptability of a hood, while others prefer not to have one on every single layer, since they soon get bulky. In any layering system there are only so many hoods that you'll be able to use at once, and this goes double when wearing a helmet.Whilst I've already slightly denigrated the idea of endless consumer choice, it has to be said that the hooded/non-hooded variations are really welcome, since this is a choice that actually means something. Protium Lite Over the last 12 months Montane have been adapting their range into various categories that define where each model sits. Here's a brief summary:

This light and stretchy mid-layer is a good extra layer when working hard in cooler conditions, and just as good to throw on when you stop for a break or for lunch. Montane says: Small: Chest 97cm / 38" // Waist: 76cm / 30" // Inside Leg (Regular): 77.5cm / 30.5" // Inside Leg (Short): 72.5cm / 28.5" // Inside Leg (Long): 82.5cm / 32.5" Throughout several months of solid use we've tested both women's and men's versions and a range of hooded vs. non-hooded models, since each comes with the option of with or without.The new Protium Hoodie from Montane – available in both men’s and women’s versions – is a super comfy fleece that makes a great addition to your layering system. Medium: Chest 102cm / 40" // Waist: 81cm / 32" // Inside Leg (Regular): 79cm / 31" // Inside Leg (Short): 74cm / 29" // Inside Leg (Long): 84cm / 33" X Large: Chest 112cm / 44" // Waist: 91cm / 36" // Inside Leg (Regular): 82cm / 32.25" // Inside Leg (Short): 77cm / 30.25" // Inside Leg (Long): 87cm / 34.25" X Small: Chest 92cm / 36" // Waist: 71cm / 28" // Inside Leg (Regular): 76cm / 30" // Inside Leg (Short): 71cm / 28" // Inside Leg (Long): 81cm / 32"