Proton Pant Mens

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Item Code: 7283_4170

The Proton Pant is a mid-layer, lightly insulated trouser for a variety of mountain pursuits. Breathable, air-permeable outer fabric featuring four-way stretch, combines with Octa® Loft knit insulation, for unimpeded movement with a soft, comfortable fit. Lightweight and durable, Fortius 2.0™ performance polyester blend wicks moisture, for warmth and dryness, whilst a DWR treatment repels external moisture. Trim fit with articulation for mobility, these pants can be easily adapted for wear as an outer piece, or insulation within a layering system. For hiking, approaches and climbing, these versatile pants are fit for use in a variety of alpine environments. Comfortably compatible with a harness, with drop in pockets and an adjustable waistband, these pants are an Autumn/Winter climbing essential. 

  • Breathable 
  • Lightly insulated 
  • Lightweight 
  • Durable 
  • Versatile 
  • Four-way stretch textile,Octa® Loft breathable insulation provides thermal protection, 
  • Airy four-way stretch polyester fabric is soft, comfortable, wicks moisture 
  • Layers easily under an outer shell 
  • Trim fit with articulated patterning for mobility and freedom 
  • Low-profile tapered cuff layers comfortably 
  • FC0-DWR (Durable Water Repellent) finish repels moisture 
  • Two drop in exterior pockets 
  • Adjustable waist drawcord 
  • Self: Fortius 2.0™—49% polyester, 35% nylon, 16% elastane 
  • Recycled Polyester, Octa® Loft breathable insulation - 100% polyester 


DPD Next Day Delivery (Orders under £75) - £4.95

DPD Next Day Delivery (Orders over £75) - FREE

Order before 1:30pm for Next Working Day Delivery (weekends not included)

DPD Saturday Delivery - £15.95

Order before 1:30pm on Friday for Next Day Delivery

Royal Mail Highlands & Islands (Orders under £75) - £4.95

Royal Mail Highlands & Islands (Orders over £75) - FREE

Order before 1:30pm for same day shipping

Usually takes 1-2 working days



If you're not 100% satisfied with your purchase we'll be more than happy to help you with an exchange or refund. All items purchased online are eligible for a refund or exchange provided that they are returned to us within 28 days in their original condition with all tags attached.

How to Return:

We do not currently offer a free returns label so we suggest using a Royal Mail Signed For service to return goods to ourselves, and parcels are insured at your own risk. Alternatively you may return your order to one of our stores should you live locally.

Return Address:

Epicentre, Compston Rd, Ambleside, LA22 9DR

Proton Pant Mens - Pytheas